41 lines
743 B
Mathematica
41 lines
743 B
Mathematica
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// SQueueLocalObject.m
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// SSignalKit
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//
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// Created by Mikhail Filimonov on 13.01.2021.
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// Copyright © 2021 Telegram. All rights reserved.
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//
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#import "SQueueLocalObject.h"
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@implementation SQueueLocalObject {
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SQueue *_queue;
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id valueRef;
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}
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-(id)initWithQueue:(SQueue *)queue generate:(id _Nonnull (^)(void))next {
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if (self = [super init]) {
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self->_queue = queue;
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[queue dispatch:^{
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self->valueRef = next();
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}];
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}
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return self;
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}
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-(void)with:(void (^)(id object))f {
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[self->_queue dispatch:^{
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f(self->valueRef);
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}];
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}
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-(void)dealloc {
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__block id value = self->valueRef;
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self->valueRef = nil;
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[_queue dispatch:^{
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value = nil;
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}];
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}
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@end
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