Commit 8662c0ff43
Changed files (1)
doc/langref.html.in
@@ -2788,9 +2788,11 @@ test "volatile" {
</p>
{#header_close#}
<p>
- To convert one pointer type to another, use {#link|@ptrCast#}. This is an unsafe
- operation that Zig cannot protect you against. Use {#syntax#}@ptrCast{#endsyntax#} only when other
- conversions are not possible.
+ {#link|@ptrCast#} converts a pointer's element type to another. This
+ creates a new pointer that can cause undetectable illegal behavior
+ depending on the loads and stores that pass through it. Generally, other
+ kinds of type conversions are preferable to
+ {#syntax#}@ptrCast{#endsyntax#} if possible.
</p>
{#code_begin|test|test_pointer_casting#}
const std = @import("std");
@@ -8592,7 +8594,8 @@ test "decl access by string" {
<pre>{#syntax#}@floatFromInt(int: anytype) anytype{#endsyntax#}</pre>
<p>
Converts an integer to the closest floating point representation. The return type is the inferred result type.
- To convert the other way, use {#link|@intFromFloat#}. This cast is always safe.
+ To convert the other way, use {#link|@intFromFloat#}. This operation is legal
+ for all values of all integer types.
</p>
{#header_close#}