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Static variable init
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| + (NSColor *) staticColour { | |
| __strong static NSColor* _sharedInstance = nil; | |
| static dispatch_once_t onceToken; | |
| dispatch_once(&onceToken, ^{ | |
| _sharedInstance = [NSColor colorWithCalibratedRed:255.f green:255.f blue:255.f alpha:1.0]; | |
| }); | |
| return _sharedInstance; | |
| } |
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