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langref: mention union support of @fieldParentPtr

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rohlem 2025-09-17 23:11:46 +02:00 committed by Andrew Kelley
parent b782cdb9b3
commit 92223ad36f
1 changed files with 2 additions and 2 deletions
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doc/langref.html.in
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@ -4897,8 +4897,8 @@ fn cmpxchgWeakButNotAtomic(comptime T: type, ptr: *T, expected_value: T, new_val
{#header_open|@fieldParentPtr#} {#header_open|@fieldParentPtr#}
<pre>{#syntax#}@fieldParentPtr(comptime field_name: []const u8, field_ptr: *T) anytype{#endsyntax#}</pre> <pre>{#syntax#}@fieldParentPtr(comptime field_name: []const u8, field_ptr: *T) anytype{#endsyntax#}</pre>
<p> <p>
Given a pointer to a struct field, returns a pointer to the struct containing that field. Given a pointer to a struct or union field, returns a pointer to the struct or union containing that field.
The return type (and struct in question) is the inferred result type. The return type (pointer to the parent struct or union in question) is the inferred result type.
</p> </p>
<p> <p>
If {#syntax#}field_ptr{#endsyntax#} does not point to the {#syntax#}field_name{#endsyntax#} field of an instance of If {#syntax#}field_ptr{#endsyntax#} does not point to the {#syntax#}field_name{#endsyntax#} field of an instance of