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Langref: replace mentions of c_void with anyopaque

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John Schmidt 2021-12-21 14:13:32 +01:00 committed by Andrew Kelley
parent ea913846c2
commit 0d09b87c14
1 changed files with 6 additions and 4 deletions
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10
doc/langref.html.in
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@ -2582,7 +2582,7 @@ test "Conversion between vectors, arrays, and slices" {
<li>Supports slice syntax: {#syntax#}ptr[start..end]{#endsyntax#}</li>
<li>Supports pointer arithmetic: {#syntax#}ptr + x{#endsyntax#}, {#syntax#}ptr - x{#endsyntax#}</li>
<li>{#syntax#}T{#endsyntax#} must have a known size, which means that it cannot be
{#syntax#}c_void{#endsyntax#} or any other {#link|opaque type|opaque#}.</li>
{#syntax#}anyopaque{#endsyntax#} or any other {#link|opaque type|opaque#}.</li>
</ul>
</li>
</ul>
@ -6269,8 +6269,8 @@ test "turn HashMap into a set with void" {
value is deleted, as seen above.
</p>
<p>
{#syntax#}void{#endsyntax#} is distinct from {#syntax#}c_void{#endsyntax#}.
{#syntax#}void{#endsyntax#} has a known size of 0 bytes, and {#syntax#}c_void{#endsyntax#} has an unknown, but non-zero, size.
{#syntax#}void{#endsyntax#} is distinct from {#syntax#}anyopaque{#endsyntax#}.
{#syntax#}void{#endsyntax#} has a known size of 0 bytes, and {#syntax#}anyopaque{#endsyntax#} has an unknown, but non-zero, size.
</p>
<p>
Expressions of type {#syntax#}void{#endsyntax#} are the only ones whose value can be ignored. For example:
@ -10618,8 +10618,10 @@ lib.addCSourceFile("src/lib.c", &[_][]const u8{
<li>{#syntax#}c_longlong{#endsyntax#}</li>
<li>{#syntax#}c_ulonglong{#endsyntax#}</li>
<li>{#syntax#}c_longdouble{#endsyntax#}</li>
<li>{#syntax#}c_void{#endsyntax#}</li>
</ul>
<p>
To interop with the C {#syntax#}void{#endsyntax#} type, use {#syntax#}anyopaque{#endsyntax#}.
</p>
{#see_also|Primitive Types#}
{#header_close#}
{#header_open|Import from C Header File#}