Nixyri/zig
1
0
Fork 0
mirror of https://github.com/ziglang/zig.git synced 2024-11-15 00:26:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

doc: recommend optional pointers for nullptrs instead of allowzero

Browse Source
This commit is contained in:
Shritesh Bhattarai 2019-05-30 19:38:26 -07:00 committed by Andrew Kelley
parent 0ccd91faea
commit 6d73e5de05
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
doc/langref.html.in
View File

@ -2026,9 +2026,9 @@ fn foo(bytes: []u8) u32 {
{#header_open|allowzero#}
<p>
This pointer attribute allows a pointer to have address zero. This is only ever needed on the
freestanding OS target, where the address zero is mappable. In this code example, if the pointer
did not have the {#syntax#}allowzero{#endsyntax#} attribute, this would be a
{#link|Pointer Cast Invalid Null#} panic:
freestanding OS target, where the address zero is mappable. If you want to represent null pointers, use
{#link|Optional Pointers#} instead. In this code example, if the pointer did not have the
{#syntax#}allowzero{#endsyntax#} attribute, this would be a {#link|Pointer Cast Invalid Null#} panic:
</p>
{#code_begin|test|allowzero#}
const std = @import("std");