ChanServ changed the topic of #zig to: zig programming language | ziglang.org | be excellent to each other | channel logs: https://irclog.whitequark.org/zig/
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<andrewrk>
stage1 has `zig fmt` now
<emekankurumeh[m]>
yes!
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<emekankurumeh[m]>
andrewrk: what are your thoughts on the builder pattern in rust?
<daurnimator>
andrewrk: woo! I didn't realise that was coming
<emekankurumeh[m]>
if we make pull requests for web related things do we have to update the stuff in std.event or would that wait until after the coroutine rewrite?
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<Barabas>
But that function is gone it seems. What's the way to check for specific errors?
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<Flaminator>
I think it's just std.debug.assert(container.inser(2,3.0) == error.KeyAlreadyExists); now.
<Barabas>
Hmm... that says operator not allowed. :(
<Barabas>
Oh wait... we have something called testing now
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<kristate>
Barabas: yes, please see testing.expect
<kristate>
debug.assert can be used in runtime code
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<Barabas>
Yes, I fixed up my test code. There were just some issue with expectEquals and pointers. Something about Size.C not being handled in a switch.
<Barabas>
So I reverted those to expect(... == ...)
<kristate>
cool
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<MajorLag>
@andrewrk: I've been using a self-made zig-fmt that just reads a file with std.zig.parse and dumps it back out with std.zig.render. Since zig fmt has been stage 2 only until now, I'm not sure what it brings to the table. Can you enlighten me?
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<andrewrk>
MajorLag: what zig fmt in stage1 brings to the table is for people who use the provided binaries they have the ability to format code
<andrewrk>
Even for people who build from source it makes it one less step (stage2 binary isn't needed and is only a WIP compiler now)
<andrewrk>
Btw in case it wasn't clear, it's still the same self hosted code. It uses zig run
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<gunnarahlberg>
hi! Thank you for the awesomeness of Zig!
<andrewrk>
welcome gunnarahlberg. what are you working on?
<gunnarahlberg>
hi andrewk. I'm working on getting compilation to work on by ubuntu and then for fun implement a JSON parser, I want to for no apparent reason implement something useful in zig. Like , the webserver https://github.com/ziglang/zig/issues/910
<andrewrk>
gunnarahlberg, sounds fun. we have a "contributor friendly" label if you want inspiration for what to work on
<andrewrk>
gunnarahlberg, I think you have found the one issue in the issue tracker that I am the least qualified to instruct on :)
<andrewrk>
I would personally have to start by learning what a "koan" is
<gunnarahlberg>
oh ;-)
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<gunnarahlberg>
there is probably many definitions. I consider a koan a small unit a student can do to learn a specific topic, e.g. iterators etc.
<gunnarahlberg>
is anyone else using ubunte for development and to compile zig source code? I have trouble with setting up LLVM
<gunnarahlberg>
Ubuntu that is
<gunnarahlberg>
The Ruby koans mentioned in 910 is a method for setting up tests. First test fails, you get to fix what is wrong and learn something. Then ruby coan will give a you another test that is failing to fix. So, it's like a method of learning.
<andrewrk>
gunnarahlberg, on ubuntu you can use the llvm package from apt
<andrewrk>
if you do not intend to build from source, then you can use the pre-made binaries from ziglang.org/download
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<ross_k>
Hi, I'm trying to the zig linker (lld?) to see symbols inside MSVC static .lib files, specifically GLFW and libepoxy. It links fine with the DLL version of GLFW but can't see any symbols I try in the static .libs.
<ross_k>
Is this a known issue?
<andrewrk>
ross_k, what do you mean see inside? are you saying you're unable to link agains .lib files?
<ross_k>
Yes, that's right
<ross_k>
It can't find any symbols from those files
<ross_k>
Trying a simple GLFW/epoxy app to test the water using the tetris demo as a starting point
<ross_k>
and it still can't link against them (no GLFW symbols)
<ross_k>
Yeah, I'll pastebin the output
<andrewrk>
was the glfw .lib built for msvc or mingw?
<andrewrk>
you'll want to match it with `--target-environ msvc` or `--target-environ gnu`
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<ross_k>
Right, so with exe.addObject it's actually working with GLFW but can't find win32: https://pastebin.com/Xb9gWHMt
<ross_k>
Do I need to add that to the build.zig too?
<andrewrk>
yeah, I believe you want linkSystemLibrary("kernel32")
<andrewrk>
and some other windows DLLs
<andrewrk>
also looks like you need the addObject for epoxy?
<andrewrk>
btw the tip with --target-environ still stands. the .lib you downloaded/built was built in a mingw environment or a msvc environment, and you have to tell zig which one
<andrewrk>
I believe zig defaults to msvc on windows
<ross_k>
Right, so that's separate to the "exe.setTarget(builtin.Arch.x86_64, builtin.Os.windows, builtin.Environ.msvc);" line?
<andrewrk>
ah there it is, you're passing msvc. sorry, missed that
<ross_k>
Thanks a lot for the help, btw. zig is awesome.
<andrewrk>
that's probably correct
<ross_k>
Cool
<andrewrk>
thanks :) I know it's a bit of a rough process right now getting this to work. I hope to improve tooling and error messages to make this process more straightforward
<andrewrk>
ross_k, did the linkSystemLibrary work for kernel32 & friends?
<ross_k>
lld: error: could not open kernel32: no such file or directory
<schme245>
andrewrk: I'm writing some docs for `zig test` but I don't quite get what `--test-name-prefix` does, could you elaborate a bit perhaps?
<schme245>
I mean, I see that it adds a prefix, but I don't really see what that is used for
<ross_k>
Probably need to add another lib dir
<andrewrk>
ross_k, hmm. I thought that lib dir would be added by the libc detection
<andrewrk>
schme245, the main test suite prefixes tests with some stuff to make filter arguments work better
<andrewrk>
when you run the main test suite you can see it happening
<andrewrk>
ross_k, as a workaround right now, you can find where kernel32.lib is on your system and add that dir, or add the .lib files directly
<andrewrk>
but this should be an open issue, zig is supposed to find this
<andrewrk>
(side note - when you use kernel32 or other system DLLs from the standard library, zig automatically generates .lib files for you. but it isn't smart enough (yet!) to know what functions glfw is tryign to link against)
<andrewrk>
ross_k, I'll play around with this situation you're in on windows next week and try to improve it a bit
<ross_k>
Awesome, cheers. I'll dig a little just now and file an issue for the kernel32 path situation
<schme245>
I was able to build just a couple of days ago
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<andrewrk>
schme245, I just pushed that commit, must have broken it on osx. taking a look, thanks
<andrewrk>
if this happens you can look at ziglang.org/download and see what the latest commit is that passed the CI tests
<schme245>
great!
<schme245>
so judging by the Zig test suite, `--test-name-prefix` can basically be used for printing which configuration of tests you are running etc?
<andrewrk>
yes
<andrewrk>
it's meant to be used in conjunction with --test-filter
<andrewrk>
schme245, fixed
<schme245>
yup, works!
<andrewrk>
what's nice is that the CI build will fail for that commit, and 356cfa0 will never end up on ziglang.org/download. it'll skip from bd52d8 to 2dfa76a
<schme245>
the beauty of CI
<schme245>
there is a note in the Zig test docs that says "TODO: lazy analysis", what does that mean? is it that there will be no code produced for functions that are never called?
<andrewrk>
that's right
<schme245>
anything specific you want to mention about that in the context of testing?
<andrewrk>
I'll be back later
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<suirad>
is there much I can do about the error: compiler bug: @cImport generated invalid zig code
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<andrewrk>
suirad, that means a bug in src/translate_c.cpp
<andrewrk>
you could run `zig translate-c` directly on the relevant C file and look at the error
<andrewrk>
suirad, or you can build with --verbose-cimport and it will spit the zig decls to stderr. you can then @import the file and get a compile error. then you can figure out what C code caused the bug. then fix translate_c.cpp
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<suirad>
sounds good. Im trying to make a base zig project that imports raylib as a subrepo to have a small base for making games. raylib is nice since its pretty much just c headers and runs on everything
<andrewrk>
neat
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