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langref: document @memmove

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dweiller 2025-01-23 02:28:12 +11:00
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doc/langref.html.in
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@ -5149,6 +5149,23 @@ fn cmpxchgWeakButNotAtomic(comptime T: type, ptr: *T, expected_value: T, new_val
{#syntax#}std.crypto.secureZero{#endsyntax#}</p>
{#header_close#}
{#header_open|@memmove#}
<pre>{#syntax#}@memmove(dest, source) void{#endsyntax#}</pre>
<p>This function copies bytes from one region of memory to another, but unlike
{#link|@memcpy#} the regions may overlap.</p>
<p>{#syntax#}dest{#endsyntax#} must be a mutable slice, a mutable pointer to an array, or
a mutable many-item {#link|pointer|Pointers#}. It may have any
alignment, and it may have any element type.</p>
<p>{#syntax#}source{#endsyntax#} must be a slice, a pointer to
an array, or a many-item {#link|pointer|Pointers#}. It may
have any alignment, and it may have any element type.</p>
<p>The {#syntax#}source{#endsyntax#} element type must have the same in-memory
representation as the {#syntax#}dest{#endsyntax#} element type.</p>
<p>Similar to {#link|for#} loops, at least one of {#syntax#}source{#endsyntax#} and
{#syntax#}dest{#endsyntax#} must provide a length, and if two lengths are provided,
they must be equal.</p>
{#header_close#}
{#header_open|@min#}
<pre>{#syntax#}@min(...) T{#endsyntax#}</pre>
<p>