--- title: "Shared Singleton" summary: "Class method that returns a singleton instance" completion-scope: Class Implementation ---

singleton.m

+ (instancetype)shared<#name#> {
    static <#class#> *_shared<#name#> = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        _shared<#name#> = <#initializer#>;
    });

    return _shared<#name#>;
}