--- Log opened Wed Jan 06 00:00:43 2010
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00:15 < jhh> aninhumer: do you have code to show?
00:18 < aninhumer> http://pastebin.org/71551
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00:18 < aninhumer> somewhat messy, as it has all my debugging code in
00:21 < aninhumer> This code also has another problem, that the ReadFromUDP
also doesn't seem to write anything to the buffer I pass, which may be connected
00:22 < aninhumer> However it does correctly return the length of a packet
it receives
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00:35 < plexdev> http://is.gd/5Nm7p by [Devon H. O'Dell] in 2 subdirs of
go/src/ -- Fix missing explicit GOBIN in src/pkg/Makefile.  Clean up creation of
QUOTED_GOBIN
00:36 < exch> pparently
00:37 < exch> mt
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00:51 < plexdev> http://is.gd/5Nn2D by [Russ Cox] in go/src/pkg/big/ -- big:
fix ProbablyPrime bug, comments
00:51 < plexdev> http://is.gd/5Nn2H by [Austin Clements] in go/misc/emacs/
-- Update Emacs go-mode for new semicolon rule.
00:51 -!- kota1111 [n=kota1111@gw2.kbmj.jp] has joined #go-nuts
00:51 < plexdev> http://is.gd/5Nn2V by [Evan Shaw] in go/src/pkg/xml/ --
xml: Fix comment so that example code compiles
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00:58 < carllerche> I find the "variable __ declared but unused" error quite
annoying.  I wish there was a way to disable it
00:59 < carllerche> or at least switch that to a warning
01:00 < dcestari> hello, is there any way to test a go program without the
need to writing a package?
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01:03 < quag> dcestari: Is the question, "How do I run a go program?"
01:03 < dcestari> nope
01:03 < dcestari> test, as in gotest
01:04 < quag> ohhhh
01:04 < dcestari> or are all the go programs supposed to be a package?
01:06 < KirkMcDonald> There will at the very least be the "main" package.
01:07 < dcestari> but do I have to place it on src/pkg?
01:07 < KirkMcDonald> No.
01:07 < dcestari> src/pkg/main ?
01:07 < KirkMcDonald> This should not be required.
01:07 < plexdev> http://is.gd/5NnYy by [Russ Cox] in 2 subdirs of go/src/ --
rollback of http://codereview.appspot.com/181077
01:07 < plexdev> http://is.gd/5NnYE by [Evan Shaw] in 2 subdirs of
go/src/cmd/ -- 8a, 8l: Add FCOMI, FCOMIP, FUCOMI, FUCOMIP instructions
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01:08 < dcestari> but gotest ask for a makefile with pkg configuration
01:09 < KirkMcDonald> dcestari: It is not difficult to use Make.pkg with
something intended to be compiled to a binary.
01:10 < KirkMcDonald> Just insert a rule linking the binary after the
GOFILES list and before including Make.pkg.
01:11 < KirkMcDonald> And have TARG=main
01:11 < KirkMcDonald> The rule would be something like: binary: package
01:11 < dcestari> !pastebin
01:11 < dcestari> is there a pastebin near?  hehe
01:12 < KirkMcDonald> gopaste.org
01:12 < dcestari> http://gist.github.com/269913
01:12 < dcestari> sorry
01:14 < dcestari> so far I have that makefile
01:16 < KirkMcDonald> dcestari: See if this works:
http://gopaste.org/view/5jl63
01:24 < plexdev> http://is.gd/5NoPl by [Russ Cox] in go/ -- hgtags: delete
"release" (prepare for new release)
01:24 < plexdev> http://is.gd/5NoPu by [Russ Cox] in go/ --
release.2010-01-05
01:24 < plexdev> http://is.gd/5xK6o by [Russ Cox] in go/ -- hgtags:
release.2009-12-22
01:24 < plexdev> http://is.gd/5xQXf by [Robert Griesemer] in
go/src/pkg/exp/vector/ -- add comment (warning about generated files)
01:24 < plexdev> http://is.gd/5y1EL by [Robert Griesemer] in 3 subdirs of
go/src/pkg/ -- Replace container/vector with exp/vector (faster).
01:24 < plexdev> http://is.gd/5y3zC by [Robert Griesemer] in
go/src/pkg/container/vector/ -- Cleanup: remove Exp ending in identifiers
01:24 < plexdev> http://is.gd/5y3zE by [Rob Pike] in go/doc/ -- fix
documentation bug in example
01:24 < plexdev> http://is.gd/5NoR6 by [Peter Froehlich] in go/src/pkg/os/
-- Fix comment for Chmod.
01:24 < plexdev> http://is.gd/5NoRf by [Devon H. O'Dell] in go/src/cmd/cgo/
-- cgo: don't overwrite p.Crefs
01:24 < plexdev> http://is.gd/5NoRD by [Adam Langley] in
go/src/pkg/crypto/tls/ -- crypto/tls: extensions and Next Protocol Negotiation
01:24 < plexdev> http://is.gd/5NoS1 by [Rob Pike] in go/src/cmd/prof/ --
make 6prof (sic) architecture-independent.
01:24 < plexdev> http://is.gd/5NoSi by [Rob Pike] in go/src/pkg/template/ --
implement .repeats for maps.
01:24 < dcestari> it does work KirkMcDonald
01:24 < plexdev> http://is.gd/5NoSz by [Robert Griesemer] in
go/src/pkg/container/vector/ -- remove nums.sh
01:25 < plexdev> http://is.gd/5NoSB by [Peter Froehlich] in
go/src/pkg/regexp/ -- Add query to find number of subexpressions.
01:25 < dcestari> but, it seams hacky
01:25 < plexdev> http://is.gd/5NoSI by [Russ Cox] in go/doc/ -- go_spec: use
PrimaryExpr as type switch expression
01:25 < plexdev> http://is.gd/5NoTu by [Ian Lance Taylor] in
go/test/fixedbugs/ -- Add a test for issue 337.
01:25 < plexdev> http://is.gd/5NoTA by [Ian Lance Taylor] in
go/src/pkg/os/signal/ -- Use t.Errorf for formatted error output.
01:25 < plexdev> http://is.gd/5NoTT by [Rob Pike] in go/doc/ -- fix naked
< and > as reported by Peter Williams <>
01:25 < plexdev> http://is.gd/5NoU7 by [Devon H. O'Dell] in go/src/pkg/time/
-- Update documentation around time.Sleep to specify its precision, and suggest
01:25 < plexdev> http://is.gd/5CAo3 by [Rob Pike] in go/doc/devel/ -- add
exceptions to the road map.  i think this just was an oversight.
01:25 < plexdev> http://is.gd/5Dr5c by [Russ Cox] in go/src/cmd/gc/ -- gc:
various C nits, found by plan 9 compiler.
01:25 < plexdev> http://is.gd/5EyNU by [Adam Langley] in
go/src/pkg/crypto/tls/ -- crypto/tls: make Listener a pointer.
01:25 < plexdev> http://is.gd/5EBtw by [Robert Griesemer] in
go/src/pkg/go/parser/ -- simplify some code that is using vectors
01:25 < plexdev> http://is.gd/5ECgm by [Rob Pike] in go/src/pkg/gob/ -- fix
dumb bug: must write out default values inside arrays and slices
01:25 < plexdev> http://is.gd/5EIF5 by [Robert Griesemer] in go/doc/ --
Clarify section on tokens.
01:25 < plexdev> http://is.gd/5EMbc by [Robert Griesemer] in
go/src/pkg/crypto/md5/ -- A couple of tighter loops.
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01:26 < plexdev> http://is.gd/5EQN7 by [Robert Griesemer] in 2 subdirs of
go/src/pkg/crypto/ -- Symmetric changes to md4.go as for md5.go.
01:26 < kimelto> maxipush?  :)
01:26 < plexdev> http://is.gd/5EQN9 by [Robert Griesemer] in
go/src/cmd/godoc/ -- Fix bug in godoc tab conversion filter:
01:26 < plexdev> http://is.gd/5EWuc by [Rob Pike] in go/src/pkg/gob/ --
remove all references to gobType() from the decoder.
01:26 < quag> hey, new release :)
01:26 < plexdev> http://is.gd/5EWuh by [Rob Pike] in go/src/pkg/gob/ -- add
a debugging printer to the gob package.
01:26 < plexdev> http://is.gd/5F0EB by [Nigel Tao] in go/src/pkg/image/jpeg/
-- JPEG decoder now handles RST (restart) markers.
01:26 < plexdev> http://is.gd/5F0EE by [Nigel Tao] in go/src/pkg/image/png/
-- PNG decoder now handles transparent paletted images.
01:26 < plexdev> http://is.gd/5FPt6 by [Robert Griesemer] in 2 subdirs of
go/src/pkg/crypto/ -- Apply symmetric changes to sha1 and sha256 as to md4 and
md5.
01:26 < plexdev> http://is.gd/5FV39 by [Rob Pike] in go/src/pkg/gob/ --
improve some type switches now that multiple types per case are supported.
01:26 < plexdev> http://is.gd/5FWJB by [Robert Griesemer] in 2 subdirs of
go/test/ -- test case for issue 471
01:26 < plexdev> http://is.gd/5FXYx by [Robert Griesemer] in go/ -- added
author/contributor
01:26 < plexdev> http://is.gd/5FXYB by [Ken Friedenbach] in go/misc/xcode/
-- Improved Xcode support
01:26 < plexdev> http://is.gd/5FXYR by [Robert Griesemer] in 2 subdirs of
go/test/ -- Test case for issue 475 and related bug.
01:26 < plexdev> http://is.gd/5FYH5 by [Ian Lance Taylor] in go/doc/ --
Document how to build gccgo to use gold.
01:26 < plexdev> http://is.gd/5H9Us by [Robert Griesemer] in go/misc/xcode/
-- More Xcode support.
01:26 < plexdev> http://is.gd/5HfWn by [Rob Pike] in go/src/pkg/gob/ --
trivial bug: []byte is special but [3]byte is not.
01:26 < plexdev> http://is.gd/5J8tL by [Yongjian Xu] in go/src/pkg/bytes/ --
Remove redundant size check in resize.  Let callers worry about that and resize
should just do "resize".
01:27 < plexdev> http://is.gd/5KZyq by [Rob Pike] in go/doc/ -- fix up YB
and add ZB, EB in example
01:27 < plexdev> http://is.gd/5M6ZU by [Roger Peppe] in go/src/pkg/go/ast/
-- Allow a nil Ident to print without crashing.
01:27 < plexdev> http://is.gd/5MlMn by [Rob Pike] in go/src/pkg/json/ --
Check for errors when writing fields of a struct.
01:27 < plexdev> http://is.gd/5Modu by [Robert Griesemer] in 3 subdirs of
go/src/ -- Simplified parser interface.
01:27 < plexdev> http://is.gd/5Modw by [Robert Griesemer] in go/doc/ --
remove reference to "basic literal" since it's never defined
01:27 < plexdev> http://is.gd/5MYZD by [Roger Peppe] in go/src/pkg/net/ --
net: make Dial correctly return nil on error.
01:27 < plexdev> http://is.gd/5MYZI by [Devon H. O'Dell] in
go/src/pkg/syscall/ -- syscall: add nanosleep on FreeBSD
01:27 < plexdev> http://is.gd/5Nm7p by [Devon H. O'Dell] in 2 subdirs of
go/src/ -- Fix missing explicit GOBIN in src/pkg/Makefile.  Clean up creation of
QUOTED_GOBIN
01:27 < plexdev> http://is.gd/5Nn2D by [Russ Cox] in go/src/pkg/big/ -- big:
fix ProbablyPrime bug, comments
01:27 < plexdev> http://is.gd/5Nn2H by [Austin Clements] in go/misc/emacs/
-- Update Emacs go-mode for new semicolon rule.
01:27 < plexdev> http://is.gd/5Nn2V by [Evan Shaw] in go/src/pkg/xml/ --
xml: Fix comment so that example code compiles
01:27 < plexdev> http://is.gd/5NnYy by [Russ Cox] in 2 subdirs of go/src/ --
rollback of http://codereview.appspot.com/181077
01:27 < plexdev> http://is.gd/5NnYE by [Evan Shaw] in 2 subdirs of
go/src/cmd/ -- 8a, 8l: Add FCOMI, FCOMIP, FUCOMI, FUCOMIP instructions
01:27 < plexdev> http://is.gd/5NoPl by [Russ Cox] in go/ -- hgtags: delete
"release" (prepare for new release)
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02:11 < goplexian> hmm
02:13 < goplexian> I'm experiencing a bug with go-mode in Emacs, if the
person who looks after go-mode.el is reading this please check it out
http://stackoverflow.com/questions/2010306/go-mode-for-emacs-has-a-small-bug-anyone-able-to-help
02:13 < anticw> i keep meaning to redo the emacs mode
02:14 < goplexian> please do
02:14 < anticw> but tbqh the pain threshold isn't high enough that i've
bothered, i mostly let it do weirdness and throw in some semi's to make it behave
then gofmt to fix
02:14 < anticw> (M-x gofmt)
02:14 < goplexian> I know, but as soon as I start to type or edit the line
it auto-matically re-indents it
02:15 < goplexian> type gofmt type gofmt type gofmt
02:15 < goplexian> no joy
02:15 < goplexian> I take it you probably dont use go-mode
02:18 < goplexian> I guess I could just not use go-mode
02:20 < anticw> i use go-mode
02:20 < anticw> i just put in semi's like the old style required and it
mostly indents right
02:20 < anticw> gofmt fixes
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02:21 < anticw> i'll try to fix it in the next day or so, right now work
keeps getting in the way :(
02:21 < goplexian> I really should learn lisp
02:22 < goplexian> anticw: I'd be really greatful
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02:27 * goplexian runs off to learn elisp.
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02:28 < golispian> lispian hehe seens wrong somehow
02:32 < SoniaKeys> comes natural to me
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02:44 < rah_> i'm a little confused on type identity versus type
compatibility
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02:44 < rah_> it seems they are in effect the same thing
02:45 < rah_> is there any case where type identity would allow you to do
something type compatibility could not, or vice versa?
02:51 < SoniaKeys> i haven't used it much, but they're certainly not the
same.  some values can be compared or assigned if their types are compatible, even
if they aren't identical
02:54 < rah_> is there ever a case where types must be identical?
02:55 < rah_> would a definition of compatible or incompatible alone would
suffice, in go's current form?
02:56 < SoniaKeys> you're reading the language specification, right?
02:56 < rah_> yes..  i guess it shows?  :)
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03:00 < SoniaKeys> i think that first sentence, "...either compatible or
incompatible" means yes
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03:01 < rah_> i was thinking surely there is a reason there is a
differentiation of identity from compatibility
03:01 < rah_> just haven't been able to find it yet
03:02 < rah_> ok, i think this may be it...  type assertions
03:02 < rah_> x.(T) asserts that the dynamic type of x is identical to the
type T
03:03 < rah_> that's the only thing i can find, but perhaps that is why
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03:09 < rah_> whoops, i made go panic
03:09 < rah_> poor go
03:12 < rah_> ok, that seems to hold true :) thanks soniakeys
03:13 < rah_> slowly learning all of this...
03:17 < SoniaKeys> searching for "compatible" finds a few mentions right in
the spec, most obvious is in the subsequent defintions of assignment compatible
and comparison compatible, but also in the sections on numeric conversions and map
keys.
03:17 < rah_> so it seems compatibility matters a lot more than identity,
for most operations, then
03:18 < SoniaKeys> i'm learning too...
03:19 < rah_> it's tricky, but interesting
03:19 < rah_> i guess reading the spec isn't exactly like doing 'hello
world' though
03:20 < rah_> helps to have another brain to bounce things off of :)
03:21 < rah_> overall it seems well thought out, though
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03:35 < KirkMcDonald> rah_: Note that with x.(T), T can be an interface
type.
03:35 < rah_> ah
03:35 < rah_> ok, thanks
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03:39 < rah_> slowly learning it all :)
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03:58 < golispian> anticw: thank you sir
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04:02 < anticw> wasnt me :)
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04:04 < golispian> ah, well thank whoever fixed it, brb
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05:16 < rah_> good night, folks
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08:45 < daaku> hi all.  i'm learning go by writing tests - and was wondering
how to compare an array with a literal
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08:59 < anticw> daaku: directly?  you can't ...  you either loop or if it's
not perf critical look at something like reflect.DeepEqual
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09:01 < daaku> anticw: sweet, that's what i was looking for
09:02 < anticw> daaku: im not sure i would recommend you use that all over
the place or for large structures, it really depends though
09:05 < daaku> anticw: i'm just doing some learning exercises, so it's fine
for now.  i'm usually wary of things with "reflect" in the name
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09:15 < anticw> daaku: actually, so i just timed it for laughs ...  for
[8]int it's 850x slower than using a loop
09:16 < daaku> anticw: wow
09:17 < anticw> for larger array's is even a greater difference, but this is
to be exepected
09:17 < daaku> anticw: looking at what it does..
09:18 < daaku> profiling it might be interesting
09:18 < daaku> (i assumed you used the benchmarking feature of the testing
pkg?)
09:18 < anticw> no
09:18 < anticw> i just quickly wrote a few lines of code with timing in it
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10:53 < daaku> i'm not quite getting how to do interface/pointers/structs --
can't figure out why the compiler complains that "Adder is not Combiner" here -
http://gist.github.com/270198
10:54 < skelterjohn> It's not.  But Adder* is.
10:55 < skelterjohn> the compiler might let you put an & in front of Adder
at the bottom, there
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10:56 < daaku> ah, got it
10:56 < skelterjohn> also, 20-22 is -2, not -42 :)
10:57 < daaku> skelterjohn: both are subtracted from the 0 :)
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10:58 < skelterjohn> oh right
10:58 < skelterjohn> carry on then
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13:28 < dcestari> hello
13:34 < jhh> hey there
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13:47 < dcestari_> so, new release?
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14:09 < pure_x01> are all struct members private if they start with
lowercase?
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14:19 < jhh> pure_x01: yes.  meaning they cannot be read from another
package.
14:19 < pure_x01> jhh: thanx
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14:21 < pure_x01> i just posted a message on the mailing list asking the
question if it is a good idea to ever expose channels ..  wrapping them in
functions to control access to them ..
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14:30 < jhh> It's probably not really a good idea to generally hide away
channels.  What's wrong with returning them from functions?
14:33 < pure_x01> jhh: in a situation where you have an api that is used by
multiple applications it is not possible to add business logic or change types of
the channel without breaking the api.  the same reason as encapsulation member
fields
14:34 < pure_x01> i mean synchronous bussiniess logic ex: validation of an
email
14:35 < jhh> You mean you can exchange types of selectors without changes in
user's code but not when you exchange types in channels?
14:35 < pure_x01> i have to leav
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14:35 < jhh> I don't think so.
14:35 < jhh> :)
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14:51 < rog> it can be a good idea to hide away channels.  just like it can
be a good idea to hide away struct members
14:52 < rog> jhh: did you read my blog post about select functions?
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14:53 < jhh> rog: nope
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14:54 < rog> it's about a way that channels might be hidden, but without
losing the capability to select on the hidden channels
14:54 < rog>
http://rogpeppe.wordpress.com/2010/01/04/select-functions-for-go/
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14:55 < rog> i think it might be either incomprehensible or nonsensical
though, as i haven't had a word of response :-(
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14:59 < jhh> I had a quick look at it.  I think it's comprehensible.  To be
honest I'm not educated enough about (or used to thinking about) language design,
to participate in a serious discussion about that.
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15:05 < jhh> Reading your articles is on my todo list.  :)
15:07 < rog> :-)
15:09 < jhh> and if you write how to handle acme, you'd overtake "understand
plan9" on the very same list ;)
15:10 < mpl> there are no handles in acme, only text ;)
15:11 < rog> jhh: don't quite understand that.  overtake what, how?
15:12 < jhh> rog: just a joke.  overtake the todo item "understand plan9" on
my todo list, by writing about acme
15:13 < rog> i see.  sorry, i'm slow!
15:13 < rog> acme's not too hard.
15:13 < rog> it's just a steep physical learning curve
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15:14 < rog> and you need a three-button mouse
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15:33 < jessta> rog: it took me a few years to put in the effort to find a
three-button mouse
15:33 < plexdev> http://is.gd/5Oizj by [Ivan Krasin] in go/src/pkg/json/ --
Propagate error to the caller in json.Marshal.  Fixes issue 445.
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15:34 < jessta> and then I discovered the idea of 'guide files' and acme
finally made sense
15:34 < rog> actually i just use any old mouse with a reasonable solid
scroll-wheel/button
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15:50 < plexdev> http://is.gd/5Om27 by [Ivan Krasin] in go/src/pkg/http/ --
Add http.CanonicalPath and tests for it.  Remove BUG(rsc) from url.go.
15:50 < plexdev> http://is.gd/5Om2o by [Devon H. O'Dell] in 2 subdirs of
go/src/ -- Fix missing explicit GOBIN in src/pkg/Makefile.  Clean up creation of
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15:54 < jhh> Is there are reason for not having an extend method for
container/list to extend a list by another list?
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16:03 < ni|> morning
16:03 < ni|> rog: you using acme to dev on go?
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16:05 < rog> ni|: yup
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16:08 < dho> morning
16:11 < jhh> hey, dho
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16:18 < ni|> rog: thats cool
16:18 < ni|> hey dho :)
16:19 < dho> hello
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16:19 < ni|> does anyone know what the status of things like semaphores and
monitors are in go
16:19 < ni|> i'm interested in making some locking mechanisms
16:19 < dho> pkg/sync?
16:20 < ni|> ah ok
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16:20 < dho> it's suggested not to use them
16:20 < ni|> so basically simple mutex and rwmutex
16:20 < ni|> dho: why is that suggested?
16:20 < ni|> whats suggested for sync then lol
16:20 < jessta> channels
16:20 < ni|> i was thinking of doing an RCU implementation
16:20 < dho> the go philosophy is `share memory by communicating, not
communicate by sharing memory'
16:21 < dho> i didn't say don't do it, i just said it wasn't recommended
16:21 < ni|> i know you didn't -- i was just curious
16:21 < dho> and what jessta said
16:21 < ni|> i have played wiht the channels a bit
16:22 < ni|> obviously not enough to see how they can eradicate the uses of
mutex
16:22 < dho> you can effectively create a mutex by using a buffered channel
where sending something over it is unlocking and reading from it is locking
16:22 < dho> ni|: instead of sharing datastructures, you pass them over
channels
16:22 < ni|> would that allow for multiple readers?
16:22 < dho> yes
16:22 < ni|> actually before i waste more time -- i should read a doc
16:23 < ni|> is this just lang spec stuff or in effective go
16:23 < dho> effective go has a reasonable section
16:23 < ni|> lol whoops, sorry
16:26 < ni|> i wrote an iphone web app in go
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16:26 < ni|> i need to make it better :(
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16:28 < ni|> rog: was it you i was talking about web apps?
16:28 < ni|> nvm i think it was npe
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16:33 < dho> i really would like to get some good ideas for comp.  sci.
senior projects that might involve go
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16:37 < rog> ni|: i don't *think* so.  but it's quite possible
nonetheless...  :-)
16:37 < anticw> dho: a go compiler ...  in go
16:38 < anticw> dho: you already have a parser of sorts to start with and a
reference code generator in c
16:38 < dho> I thought of that too :)
16:38 < dho> I've got that and two audio projects
16:40 < anticw> dho: another idea that might fit well with goroutines and
channels is an irc/im interworking proxy thing
16:41 < rog> dho: what about something distributed - like a little
compute-grid system
16:41 < anticw> something that daemonizes and holds state and allows
multiple access remotely via various means
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18:16 < dho> rog: how would that work theoretically?
18:16 < dho> cw_: what would you use that for?
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18:18 < dho> rog: (are you referring to something like MPI or something like
distributed.net for instance)
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18:21 < rog> dho: maybe just something that distributes an arbitrary go
function across a network
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18:21 < rog> or perhaps an arbitrary command that reads & writes
stdin/stdout, given that go doesn't have dynamic loading
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18:26 < dho> hm
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18:31 < happy> can someone help me install go?  Here is my error
http://pastebin.org/71796
18:32 < keeto> cd ..
18:32 < dho> no
18:32 < happy> make: *** No rule to make target `all'.  Stop.
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18:32 < dho> happy: are you sure that GOROOT is in your environment
18:33 < dho> just adding it to .bashrc isn't enough; you still have to login
or source it
18:33 < happy> dho, I cp and pasted from bashrc
18:33 < happy> I started a new konsole
18:33 < dho> ok, so if you echo $GOROOT, what do you see?
18:34 < happy> /home/stephen/sandbox/go
18:35 < dho> your error would imply that $GOROOT is not set
18:35 < happy> bash says it is set :-\
18:35 < dho> if you edit the Makefile in that directory, and comment out the
bash $(QUOTED_GOROOT)/src/make.bash and instead do echo $GOROOT && exit 1
18:35 < dho> er
18:36 < dho> echo $(QUOTED_GOROOT)
18:37 < happy> same error...
18:37 < dho> then you didn't do something right, because that shouldn't be
executing if you did
18:37 < happy> ok
18:38 < happy> I am going to start from the beginning
18:38 < happy> can we agree I did the bashrc variables right?
18:38 < dho> pastebin is opening ads o_O
18:38 < dho> yes.
18:38 < dho> oh, that's pastebin.org
18:38 < dho> lame.
18:39 < happy> lol
18:39 < dho> use gopaste.org anyway
18:39 < happy> ok
18:40 < dho> what's the output of make -v | head -1
18:40 < happy> I have been trying to find a good pastebin.  My favorite is
pastebin.ca because it does not consider most of my stuff spam
18:40 < happy> GNU Make 3.81
18:41 < dho> that's really weird.
18:41 < dho> the only reason it should do that is if $GOROOT is empty
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18:41 < dho> s/should/can/
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18:43 < happy> dho: I am now running: hg clone -r release
https://go.googlecode.com/hg/ $GOROOT
18:43 < dho> ok.
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18:44 < dho> before running make, run env | grep ^GO just to make sure that
everything's set correctly
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18:45 < happy> dho: it looks right
18:46 < happy> it is working now :-\
18:46 < dho> yep
18:46 < dho> cool
18:47 < happy> thanks for the help
18:47 < dho> np
18:47 < dho> gotta hold your tongue right.
18:47 < happy> I think it was the fact that I did not install
python-setuptools
18:47 < dho> the build doesn't use python
18:48 < happy> yeah...  but that was the only thing I changed...
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18:48 < dho> You could have had a bad checkout
18:48 < happy> maybe it was just redownloading it
18:48 < happy> yeah
18:49 < dho> happy: What're you looking to use Go for?
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18:53 < happy> dho: the ubuntu build of firefox has serious memory leaks :-\
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18:54 < happy> sorry I did not respond, I was trying to kill firefox
18:54 < dho> heh
18:54 < dho> np
18:54 < dho> I'm just curious
18:55 < happy> I am hoping to use go as a replacement for python.  I use
python to navigate websites and scrape information for the most part.
18:57 < KirkMcDonald> So you'll need an HTML parser and a replacement for
urllib.
18:58 < happy> I also use it for reading rss feeds, xml, csv, pretty much
anything that involves amassing information.
18:58 < happy> KirkMcDonald: I cheat and use regex
18:58 < happy> I was thinking that since go is new and I had some time I
would try to make a replacement for urllib out of libcurl
18:58 < KirkMcDonald> happy:
http://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags/1732454#1732454
18:59 < happy> I have used both
19:00 < happy> KirkMcDonald: as I said, I "cheat"
19:00 < happy> KirkMcDonald: I find regex is smart enough
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19:02 < KirkMcDonald> There is also the fact that Go's regexp package is
incredibly minimal.
19:02 < KirkMcDonald> No non-greedy matching, for instance, which makes this
use of it that much harder.
19:02 < happy> wow
19:03 < dho> libcurl is gross
19:03 < happy> that makes it near impossible...
19:03 < happy> dho: it is, I was thinking of using it as a backend for a
saner interface :-)
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19:03 < happy> KirkMcDonald: how easy is it to use C libraries?
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19:04 < dho> Go provides you with pkg/http which is a significant amount of
that work; I'd recommend implementing something on top of that
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19:04 < happy> pcre can not go wrong
19:04 < dho> Cgo works.  I'm `maintaining' it for the most part.
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19:04 < KirkMcDonald> Cgo still doesn't do callbacks, though.
19:04 < dho> It's fragile and callbacks into go code have to be hacked in
19:04 < KirkMcDonald> Which limits its utility.
19:04 < dho> KirkMcDonald: you *can*, it's just not straightforward
19:04 < KirkMcDonald> Ah!
19:04 < KirkMcDonald> That must be new, since the last time I checked.
19:05 < dho> the Lua thing does it, and someone posted an example of how to
do it today
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out)]
19:05 < dho> And the Lua bindings have been around for a fairly long time
(relative to Go's public conception)
19:05 < happy> why doesn't go just use pcre?
19:05 < dho> Because two of the people who work on go are regexp experts
19:05 < dho> I suspect there will be more / better support at some point
19:05 < happy> lol
19:06 < dho> it's a new language; not yet 3 months old
19:06 < happy> yeah
19:06 < dho> (publically speaking, again)
19:06 < KirkMcDonald> Yeah, the regexp package smells like a stub, to be
filled out later.
19:06 < happy> I am just here to play with it.  I do not expect it to do
much for a while.
19:06 < dho> Given both Russ and Rob's work with regexps, I imagine
something very nice will be available.
19:10 < happy> dho: I want to play around with go a little.  But in the
future (long term if not even regex works right :-P) I wold like to see some
libraries that are easy to use like urllib, feedparser, ect in python
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19:11 < dho> happy: Become world-reknowned for writing them.
19:11 < happy> dho: that was what I was thinking of with the urllib :-P
19:12 < dho> again, the http package implements the nitty-gritty (what you
might use libcurl for)
19:12 < dho> Also, I'm pretty sure there is a dom parser somewhere
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19:13 < dho> There's certainly XML at least, so I think that you shouldn't
really need hacky regexp screen-scraping.
19:13 < happy> yeah.  does libcurl or urllib use a dom parser?
19:14 < happy> dho: of course I would not use regex for something like that.
I use regex for getting info from sites I know the exact format of.
19:14 < dho> curl is only an interface to http connections, ssl, cookies,
and that sort of stuff
19:14 < dho> it's an http protocol library
19:14 < dho> that's what the http package implements
19:14 < happy> ok
19:15 < dho> I haven't used urllib much, so I don't really know much about
it
19:15 < happy> I need to look into what the http package is before I
continue to look stupid :-)
19:15 < dho> http://golang.org/pkg/http
19:15 < happy> it sounds like it is urllib
19:15 < dho> implements http client and server handling
19:16 < happy> why is that built into one package?
19:17 < dho> why not?  they both implement http, just different sides of it.
19:17 < happy> because almost no program would implement both
19:18 < dho> well you don't have to use both :)
19:18 * dho turns on tntlly
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19:19 < moraes> entered #go: "go is the game (not the silly language)".  :P
19:19 < moraes> then they point to here
19:19 < joeatwork> Say, just a sanity check- does string equality in go
imply the strings contain the same characters in order?  That is,
19:19 < dho> Ah well, ti's a silly game.
19:20 < joeatwork> s1 == "contents" && s2 == "contents" implies s1 == s2 ?
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19:21 < dho> if string1 == string2 is the same as if (!strcmp(str1, str2))
in c
19:21 < joeatwork> Awesome
19:21 < dho> thought this is a fast comparison because strings are immutable
19:21 < joeatwork> Thanks for the great answer (to an awkwardly phrased
question :)
19:21 < dho> though*
19:21 < dho> np
19:22 < dho> god i haven't listened to these guys in a while; forgot how
fucking badass they are
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19:23 < happy> dho: the go client does not support gzip, cookies, ssl, ect.
This is going to be fun :-)
19:24 < dho> it should support ssl.
19:24 < dho> Rather, I thought it did
19:24 < happy> nope
19:25 < dho> well there is at least a gzip package
19:25 < happy> ok
19:25 < dho> it does support cookies by-way of headers
19:25 < dho> there's an issue out for the fact that putting in a header with
the same name overwrites that header
19:25 < dho> (so you can't have multiple Set-Cookie calls)
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19:26 < dho> but RFC2616 says that that is the same as X-Header: val1, val2
19:26 < dho> rather
19:26 < dho> X-Header: val1
19:26 < dho> X-Header: val2
19:26 < dho> is the same as what I just put
19:27 < happy> I am sorry, I have no idea what you mean
19:27 < dho> Cookies are sent in headers
19:27 < happy> I knew that
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19:27 < dho> Typically in multiple headers with the same name
19:27 < dho> which is the same as one header with comma separation
19:27 < happy> ok
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19:28 < dho> anyway
19:28 < dho> there are shortcomings all over the place man
19:28 < happy> lol
19:28 < dho> we need more people to use the language so that we can get more
developers working on the language
19:28 < dho> and / or more people saying what they need from the language
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19:29 < happy> catch 22 :-P
19:29 < dho> nah, not so much
19:29 < dho> the language itself is interesting enough
19:29 < dho> I think it is going to take about 2 years to really mature
though.
19:30 < happy> and documentation would help too.  I am finding it easier to
read the source then what the site calls "documentation"
19:30 < dho> Yes, feel free to submit documentation patches (in the form of
in-source comments)
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19:31 < dho> I'm sure that will be appreciated.
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19:32 < dho> i don't work for google, i just actively contribute to the
project...  so my suggestions on what would be appreciated are really more based
on what i've seen on the lists and my own contributions
19:32 < happy> dho: I can only think of one more question for the moment.
what is up with the rat?
19:32 < dho> the gopher?  or the rat who ate my car?
19:32 < happy> gopher I guess
19:32 < dho> probably the gopher
19:32 < dho> his name is gordon, the gopher.  he's go's mascot.
19:33 < happy> ok
19:33 < dho> Renee French is an artist who drew Glenda the Plan 9 Bunny
19:33 < dho> She's married to Rob Pike
19:33 < dho> so it works out :)
19:33 * dho personally finds most of her work intriguingly disturbing
19:41 < dagle> Gordon is the only reason I'm using the language.  ;)
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19:42 < dho> What a silly reason to use cool new technology
19:42 < jhh> who should i add as a reviewer for a patch?
19:43 < dho> what's the patch
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19:43 <+iant> jhh: if you don't know, you can just use
golang-dev@googlegroups.com
19:43 < dho> but what iant said
19:43 < jhh> programmed extend functions for container/list
19:43 < dagle> dho: I am silly at internet.  Belive it or not gordon is not
my reason for using it.
19:44 < dho> i dunno if that's agl's territory, but golang-dev is the best
idea if you don't know
19:44 < dho> dagle: It's ok; I said the same thing to someone who said they
wouldn't use it because `google = bad'
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19:46 < dagle> dho: Was it stallman?
19:46 < dho> no, some idiot in ##freebsd
19:46 <+iant> I've never heard RMS say that google = bad
19:47 <+iant> he's certainly concerned about cloud computing conceptually
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19:47 < dagle> I have heard him say that irl.
19:47 < dho> he's certainly a nutcase
19:47 <+iant> that directly?  that doesn't sound right
19:47 <+iant> The GNU project participates in Google Summer of Code, for
example
19:48 <+iant> he refused the first year, but then he came around
19:48 < dho> iant: is Go applying for GSoC this year?
19:48 < dagle> I think he was sane at some point but people tried to make
him into a god or something and he went nuts.
19:48 <+iant> dho: yes, we are applying
19:48 < dho> (If so, do you know if you guys will be looking for
non-Google-Employee mentors?)
19:48 <+iant> dho: good question, actually, we haven't talked about it but I
don't see why not
19:49 < dho> If not, I'll probably either admin Plan 9 again this year or
nothing at all
19:49 <+iant> dagle: RMS has been the same since I've known him, but that
was only since 1990, he might have been more normal before he started GNU
19:49 < dagle> Ok.
19:49 <+iant> actually I haven't spoken to him in several years, though
19:50 < dho> I was 7 in 1990 :(
19:50 <+iant> ouch
19:50 < mycroftiv> I really like Rob's story about Stallman organizing a
fairly polite protest against him at a university
19:50 < dho> 1990 was a long time ago <_<
19:50 <+iant> yeah, that was funny
19:50 * dagle is glad that dho didn't see stallman when he was 7.
19:50 < sinuhe> esr indicates he was clean cut once
19:51 <+iant> what, when he was a kid?
19:51 < dho> heh
19:51 < mycroftiv> back in the 60s stallman hated the counterculture,
apparently, wasnt part of it at all
19:51 < dho> I'll clearly never be a famous computing person
19:51 < dho> I can't grow a beard :(
19:52 < dagle> :(
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19:52 < sinuhe> I swapped GPG keys with him last year in San Francisco, and
he was twirling his hair and couldn't stop, then he'd bite the split ends.  Showed
me his new Lemote laptop.  I was smiling that he was running Debian, since he
won't admit to using it on his website.
19:52 < dagle> :D
19:53 < sinuhe> Instead of programmng his own OS, he now has others do it
for him (he's running gNewSense on the laptop now).
19:54 < sinuhe> Not a bad gig actually: your own team of gratis devs and get
paid to say the same thing over and over again at universities.
19:55 < dho> I'd go nuts if I wasn't doing anything useful
19:55 < mycroftiv> well, i think he finally retired, but stallman was still
emacs maintainer up til quite recently
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19:56 < mycroftiv> as an acme user, i guess i wouldnt completely say that is
'useful', but to each their own ;)
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19:57 < taruti> rms as a maintainer is not necessarily a good thing
19:57 < dho> I'd like to see some work in nvi
19:57 < dho> every time i try to read it, my eyes start to bleed and I go
into a short coma though
19:57 < taruti> one reason gcc has been historically so cluttered up is that
it was programmed to make writing plugins hard
19:58 < dho> iant: is that still the case?
19:58 <+iant> speaking as a gcc maintainer, that's not literally true, but
it is true that it was not designed to support plugins
19:58 <+iant> plugins are now permitted in gcc
19:58 <+iant> that took years of arguing with RMS
19:58 < dho> why was he so against it?
19:58 <+iant> RMS's view of the compiler world is stuck in the 80's
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19:59 <+iant> back then there were lot of proprietary compilers
19:59 <+iant> he didn't want them to turn themselves into proprietary
plugins for gcc
19:59 <+iant> biaw
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20:14 < jhh> what can i do about it if "hg change" doesn't recognize my
changes (because i "hg change"d already on them once)?
20:14 < jhh> reverting and redoing the editing doesn't seem to work
20:15 < sinuhe> rebase?
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20:16 < dho> jhh: hg change [CL Number]
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20:25 < jhh> rebase is no hg command
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20:26 < dho> jhh: what're you trying to do?
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20:30 < jhh> I think I got it now.  Is there a connection between the file
list I see on "hg change" and files that get uploaded by "hg upload"?
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20:30 < jhh> I guess I had to type the files there and then do an upload
20:30 < dho> Yes
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20:31 < dho> that is the changed file list
20:31 < dho> worth noting that they must have a tab in front
20:31 < dho> spaces will cause things to go awry
20:32 < jhh> everything is fine if I see correct changes in the code review
page?
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20:42 < dho> yep
20:42 < dho> have you contributed code before, jan?
20:45 < jhh> nope, i'm a contribution virgin
20:46 < dho> You'll need to add yourself to CONTRIBUTORS and AUTHORS and
submit that in a separate CL
20:46 < dho> you'll also need to fill out a form for legal purposes
20:46 < dho> jhh: http://code.google.com/legal/individual-cla-v1.0.html
20:49 < jhh> electronically signing ftw
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20:55 < jhh> thanks, devon
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20:59 < dho> np
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21:01 < jhh> does that patch have to be accepted before i should modify the
CONTRIBUTORS and AUTHORS file?
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21:01 < dho> No, you have to do that before your patch can be submitted
21:03 < happy> Is there a move function in one of the go packages?
21:04 <+iant> what do you want to move?
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21:04 < happy> iant: files
21:04 <+iant> happy: os.Rename
21:04 < happy> although moving directories could come in handy
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21:05 < happy> iant: I do not want to rename.  What if they are on different
partitions?
21:05 <+iant> ah, then, no, I don't think so
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21:06 < jhh> who's the reviewer for AUTHORS/CONTRIBUTORS files?
21:06 <+iant> anybody at Google
21:06 < jhh> like you?
21:06 < happy> iant: thanks anyways.  I guess it is another thing to add to
the wanted packages list :-).  move, copy, ect
21:07 < dho> Such a thing might be a useful addition to the os package
21:08 < happy> dho: It would need to be its own package
21:08 < dho> Why?
21:09 < happy> os is just a frontend for the standard os stuff.  I know
python has the same type of OS stuff and you need to import another for the copy
function
21:10 < happy> of course, I am no expert :-)
21:10 < dho> Fair enough
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21:42 < happy> anyone know how to get a list of all the files in a
directory?
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21:45 <+iant> happy: open the directory and call Readdirnames; see
testReaddirnames in src/pkg/os/os_test.go
21:46 < happy> what do you mean "open" the directory?
21:46 < happy> stat it?
21:46 <+iant> os.Open
21:46 < happy> ok
21:46 < jhh> what's the right way to deepcopy a map or a linked list?
21:47 < happy> iant: will os.Open() understand . ..  ~ ect
21:47 <+iant> . and ..  yes, ~ no
21:47 < happy> ok
21:48 < happy> iant: about testReaddirnames, why does it have test in its
name?
21:48 <+iant> that is code that tests the Readdirnames method, I'm
suggesting that you look at it for how to use Readdirnames
21:48 <+iant> os_test.go is test code
21:48 < happy> ah
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21:55 < plexdev> http://is.gd/5PiK7 by [Jan H. Hosang] in go/ -- Added me to
authors and contributors.
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22:47 < happy> is there a function that can print out internal structures
like arrays for debugging purposes?
22:48 <+iant> fmt.Print can print arrays but there isn't an internal
function which will
22:49 < happy> ok
22:50 < happy> thanks
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23:21 < jackman> I'm back!
23:23 < happy> anyone know how to ignore a return value?  When a function
returns two values, but I only try to catch one, I get an error.  But if I put in
a random variable, it complains I initalized it but never used it.
23:23 < KirkMcDonald> happy: Use _ as the variable name for the one you want
to ignore.
23:23 < happy> ok
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23:23 < happy> thanks again
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23:38 < dho> evening
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23:42 < plexdev> http://is.gd/5PxJW by [Rob Pike] in go/src/pkg/time/ -- New
time formatter, time.Format(formatString)
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23:50 < happy> does go have anything like os.path in python?
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23:58 < dho> what is os.path
23:58 < plexdev> http://is.gd/5PzQr by [Devon H. O'Dell] in go/src/cmd/cgo/
-- cgo: Use -fno-eliminate-unused-debug-types when calling gcc to for dwarf stabs.
23:58 < plexdev> http://is.gd/5PzQF by [Russ Cox] in go/src/pkg/http/ --
http: avoid header duplication - take struct fields out of Header map
23:58 < plexdev> http://is.gd/5PzR6 by [Austin Clements] in go/misc/emacs/
-- Use remove-text-properties instead of
23:59 < plexdev> http://is.gd/5PzRA by [Russ Cox] in go/doc/devel/ -- add
release log as doc/devel/release.html
23:59 < plexdev> http://is.gd/5PzRZ by [Russ Cox] in go/src/cmd/godoc/ --
godoc: serve index.html in place of directory listing, when present
--- Log closed Thu Jan 07 00:00:07 2010