mikdusan

#include <stdio.h>
#include <string.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <unistd.h>

int main() {
    int fd = socket(PF_UNIX, SOCK_STREAM, 0);
    if (fd == -1) {
        perror("socket");

mikdusan

diff --git a/lib/compiler/build_runner.zig b/lib/compiler/build_runner.zig
index 01dc437208..fa836f0df4 100644
--- a/lib/compiler/build_runner.zig
+++ b/lib/compiler/build_runner.zig
@@ -1096,8 +1096,9 @@ fn usage(b: *std.Build, out_stream: anytype) !void {
         \\  --prefix-exe-dir [path]      Where to install executables
         \\  --prefix-include-dir [path]  Where to install C header files
         \\
-        \\  --release[=mode]             Request release mode, optionally specifying a
-        \\                               preferred optimization mode: fast, safe, small

mikdusan

test "pipeline" {
    // SILLY PIPELINE EXAMPLE
    //
    // cat /etc/passwd | (code-filter) | sort > /tmp/out.txt
    // |-- child[0] ---|               |---- child[1] -----|
    //
    // note: not convinced splitting ChildBuilder/ChildProcess is ideal

    var builder = .{
        try ChildBuilder.init(testing.allocator),

mikdusan

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c06d24715..26777640d8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -906,11 +906,7 @@ if(ZIG_SINGLE_THREADED)
 else()
   set(ZIG_SINGLE_THREADED_ARG "")
 endif()
-if(ZIG_STATIC AND NOT MSVC)
-  set(ZIG_STATIC_ARG "-Duse-zig-libcxx")

mikdusan

const std = @import("std");

pub fn main() void {
    const oa: ?u32 = 0;
    const ob: ?u32 = 1;
    const oc: ?u32 = 2;

    // pattern without "else" codepath
    outer: {
        const a = oa orelse break :outer;

mikdusan

macOS Internals

Understand your Mac and iPhone more deeply by tracing the evolution of Mac OS X from prelease to Swift. John Siracusa delivers the details.

Starting Points

How to use this gist

You've got two main options:

mikdusan

rm -fr zig-cache; zig test -Itest test/behavior.zig
lib/std/debug.zig:281:14: error: reached unreachable code
    if (!ok) unreachable; // assertion failure
             ^~~~~~~~~~~
lib/std/math.zig:133:11: note: called from here
    assert(tolerance >= 0);
    ~~~~~~^~~~~~~~~~~~~~~~
test/behavior/floatop.zig:382:36: note: called from here
        try expect(math.approxEqAbs(f16, @log(a), 1, epsilon));
                   ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

mikdusan

[jacobly0-mac-f16-abi] tiberius▸ rm -fr zig-cache; zig2 test -Itest test/behavior.zig
Test [26/1667] test.align(@alignOf(T)) T does not force resolution of T... SKIP
Test [70/1667] test.simple coroutine suspend and resume... SKIP
Test [71/1667] test.pass parameter to coroutine... SKIP
Test [72/1667] test.suspend at end of function... SKIP
Test [73/1667] test.local variable in async function... SKIP
Test [74/1667] test.calling an inferred async function... SKIP
Test [75/1667] test.@frameSize... SKIP
Test [76/1667] test.coroutine suspend, resume... SKIP
Test [77/1667] test.coroutine suspend with block... SKIP

mikdusan

/Users/mike/project/zig/work/llvm16c/stage1/zig.h:3215:1: error: use of undeclared identifier 'lo'
zig_float_builtins(128)
^
/Users/mike/project/zig/work/llvm16c/stage1/zig.h:3169:5: note: expanded from macro 'zig_float_builtins'
    zig_expand_concat(zig_float_negate_builtin_,  zig_has_f##w)(w) \
    ^
/Users/mike/project/zig/work/llvm16c/stage1/zig.h:254:37: note: expanded from macro 'zig_expand_concat'
#define zig_expand_concat(lhs, rhs) zig_concat(lhs, rhs)
                                    ^
/Users/mike/project/zig/work/llvm16c/stage1/zig.h:253:30: note: expanded from macro 'zig_concat'

mikdusan

+ /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc -I/opt/llvm-macos13.0-x86_64-16.0.0-release/include -I/Users/mike/project/zig/work/llvm16b -I/Users/mike/project/zig/work/llvm16b/_build -I/Users/mike/project/zig/work/llvm16b/src -I/Users/mike/project/zig/work/llvm16b/stage1 -g -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX13.1.sdk -std=c99 -O0 -fno-stack-protector -MD -MT CMakeFiles/zig2.dir/compiler_rt.c.o -MF CMakeFiles/zig2.dir/compiler_rt.c.o.d -o CMakeFiles/zig2.dir/compiler_rt.c.o -c /Users/mike/project/zig/work/llvm16b/_build/compiler_rt.c
/Users/mike/project/zig/work/llvm16b/_build/compiler_rt.c:657:21: error: conflicting types for '__trunctfhf2'
zig_extern uint16_t __trunctfhf2(zig_f128);
                    ^
/Users/mike/project/zig/work/llvm16b/stage1/zig.h:3082:1: note: previous declaration is here
zig_convert_builtin(zig_f16,  trunc,  zig_f128, 2)
^
/Users/mike/project/zig/work/llvm16b/stage1/zig.h:30