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Merge pull request #24537 from IOKG04/some-documentation-updates-0

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some small langref changes
This commit is contained in:
Matthew Lugg
2025-07-31 02:32:32 +01:00
committed by GitHub
parent de23ccfad1 2dea904d5a
commit 032bbd68a7
3 changed files with 13 additions and 4 deletions
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8
doc/langref.html.in
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@@ -3215,7 +3215,7 @@ fn createFoo(param: i32) !Foo {
to increase their development pace.
</p>
<p>
Error Return Traces are enabled by default in {#link|Debug#} and {#link|ReleaseSafe#} builds and disabled by default in {#link|ReleaseFast#} and {#link|ReleaseSmall#} builds.
Error Return Traces are enabled by default in {#link|Debug#} builds and disabled by default in {#link|ReleaseFast#}, {#link|ReleaseSafe#} and {#link|ReleaseSmall#} builds.
</p>
<p>
There are a few ways to activate this error return tracing feature:
@@ -4840,7 +4840,7 @@ fn cmpxchgWeakButNotAtomic(comptime T: type, ptr: *T, expected_value: T, new_val
<p>
This builtin can be called from a {#link|comptime#} block to conditionally export symbols.
When <code>ptr</code> points to a function with the C calling convention and
{#syntax#}options.linkage{#endsyntax#} is {#syntax#}.Strong{#endsyntax#}, this is equivalent to
{#syntax#}options.linkage{#endsyntax#} is {#syntax#}.strong{#endsyntax#}, this is equivalent to
the {#syntax#}export{#endsyntax#} keyword used on a function:
</p>
{#code|export_builtin.zig#}
@@ -5179,7 +5179,7 @@ fn cmpxchgWeakButNotAtomic(comptime T: type, ptr: *T, expected_value: T, new_val
<pre>{#syntax#}@mod(numerator: T, denominator: T) T{#endsyntax#}</pre>
<p>
Modulus division. For unsigned integers this is the same as
{#syntax#}numerator % denominator{#endsyntax#}. Caller guarantees {#syntax#}denominator > 0{#endsyntax#}, otherwise the
{#syntax#}numerator % denominator{#endsyntax#}. Caller guarantees {#syntax#}denominator != 0{#endsyntax#}, otherwise the
operation will result in a {#link|Remainder Division by Zero#} when runtime safety checks are enabled.
</p>
<ul>
@@ -5284,7 +5284,7 @@ fn cmpxchgWeakButNotAtomic(comptime T: type, ptr: *T, expected_value: T, new_val
<pre>{#syntax#}@rem(numerator: T, denominator: T) T{#endsyntax#}</pre>
<p>
Remainder division. For unsigned integers this is the same as
{#syntax#}numerator % denominator{#endsyntax#}. Caller guarantees {#syntax#}denominator > 0{#endsyntax#}, otherwise the
{#syntax#}numerator % denominator{#endsyntax#}. Caller guarantees {#syntax#}denominator != 0{#endsyntax#}, otherwise the
operation will result in a {#link|Remainder Division by Zero#} when runtime safety checks are enabled.
</p>
<ul>

7
doc/langref/test_coerce_slices_arrays_and_pointers.zig
View File

@@ -67,4 +67,11 @@ test "*T to *[1]T" {
try expect(z[0] == 1234);
}
// Sentinel-terminated slices can be coerced into sentinel-terminated pointers
test "[:x]T to [*:x]T" {
const buf: [:0]const u8 = "hello";
const buf2: [*:0]const u8 = buf;
try expect(buf2[4] == 'o');
}
// test