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SAMWeak

Obj-C macro for easy creating weak references.

No more retain cycles within blocks.

Usage

There are only two macros, that create another weak reference or strong reference.

  • WEAK(__self)
  • STRONG(__self)
WEAK(self);
void (^ block)() = ^{
	// now you can use _self variable as weak reference
};
WEAK(self);
void (^ block)() = ^{
	STRONG(_self);
 	// now you can use s_self variable as strong reference that is created from weak reference
};

Example

## Simple weak reference:

WEAK(self);
[UIView animateWithDuration:0.25 animations:^{
		_self.frame = CGRectMake(0.0f, 0.0f, 10.0f, 10.0f);
}];

Complex weak and strong referencing:

WEAK(self);
[UIView animateWithDuration:0.25 animations:^{
		STRONG(_self);
		s_self->variable = 0;
}];

CocoaPods is of course supported.

pod 'SAMWeak'

License

The MIT License (MIT)

Copyright (c) 2013 Roman Kříž

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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Obj-C macro for easy creating weak references

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