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Update langref.html.in

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Jakub Konka 2020-06-05 10:16:41 +02:00 committed by Andrew Kelley
parent 660eef9a43
commit 42c95a64d6
1 changed files with 5 additions and 2 deletions
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doc/langref.html.in
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@ -7652,7 +7652,7 @@ mem.set(u8, dest, c);{#endsyntax#}</pre>
<p>
This function is a low level intrinsic with no safety mechanisms usually useful for allocator
designers targeting Wasm. So unless you are writing a new allocator from scratch, you should use
something like {#syntax#}@import("std").heap.WasmAllocator{#endsyntax#}.
something like {#syntax#}@import("std").heap.WasmPageAllocator{#endsyntax#}.
</p>
{#see_also|@wasmMemoryGrow#}
{#header_close#}
@ -7668,13 +7668,16 @@ mem.set(u8, dest, c);{#endsyntax#}</pre>
<p>
This function is a low level intrinsic with no safety mechanisms usually useful for allocator
designers targeting Wasm. So unless you are writing a new allocator from scratch, you should use
something like {#syntax#}@import("std").heap.WasmAllocator{#endsyntax#}.
something like {#syntax#}@import("std").heap.WasmPageAllocator{#endsyntax#}.
</p>
{#code_begin|test#}
const std = @import("std");
const builtin = @import("builtin");
const assert = std.debug.assert;
test "@wasmMemoryGrow" {
if (builtin.arch != .wasm32) return error.SkipZigTest;
var prev = @wasmMemorySize(0);
assert(prev == @wasmMemoryGrow(0, 1));
assert(prev + 1 == @wasmMemorySize(0));