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tamaki-shingo/gist:4065221

Created November 13, 2012 11:02
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dispatch_once関数を使ったSingletonパターンの実装(dispatch_onceの入力でsnippet出る)
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gistfile1.txt
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
<#code to be executed once#>
});
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