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document std.heap.StackFallbackAllocator

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notcancername 2022-11-28 03:52:18 +01:00 committed by Veikka Tuominen
parent 3ae4931dc1
commit f98aac9db4
1 changed files with 7 additions and 0 deletions
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7
lib/std/heap.zig
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@ -855,6 +855,9 @@ pub const FixedBufferAllocator = struct {
pub const ThreadSafeFixedBufferAllocator = @compileError("ThreadSafeFixedBufferAllocator has been replaced with `threadSafeAllocator` on FixedBufferAllocator");
/// Returns a `StackFallbackAllocator` allocating using either a
/// `FixedBufferAllocator` on an array of size `size` and falling back to
/// `fallback_allocator` if that fails.
pub fn stackFallback(comptime size: usize, fallback_allocator: Allocator) StackFallbackAllocator(size) {
return StackFallbackAllocator(size){
.buffer = undefined,
@ -863,6 +866,10 @@ pub fn stackFallback(comptime size: usize, fallback_allocator: Allocator) StackF
};
}
/// An allocator that attempts to allocate using a
/// `FixedBufferAllocator` using an array of size `size`. If the
/// allocation fails, it will fall back to using
/// `fallback_allocator`. Easily created with `stackFallback`.
pub fn StackFallbackAllocator(comptime size: usize) type {
return struct {
const Self = @This();