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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#}
<pre>{#syntax#}@fieldParentPtr(comptime field_name: []const u8, field_ptr: *T) anytype{#endsyntax#}</pre>
<p>
Given a pointer to a struct field, returns a pointer to the struct containing that field.
The return type (and struct in question) is the inferred result type.
Given a pointer to a struct or union field, returns a pointer to the struct or union containing that field.
The return type (pointer to the parent struct or union in question) is the inferred result type.
</p>
<p>
If {#syntax#}field_ptr{#endsyntax#} does not point to the {#syntax#}field_name{#endsyntax#} field of an instance of