IsEqualTransformer

Dockyard > Objective-C Classes > IsEqualTransformer

IsEqualTransformer

Class Description

Compares the input value to the object given during creation. The programmer chooses at instantiation whether or not to test for equality or inequality.

Methods

- initWithObject:

- initWithObject:trueOnEqual:

Method Detail

initWithObject:

- (id)initWithObject:(id)obj

Invokes `initWithObject:trueOnEqual:` with a `shouldBeTrue` value of `YES`.

initWithObject:trueOnEqual:

- (id)initWithObject:(id)obj trueOnEqual:(BOOL)shouldBeTrue

Initializes and returns a new transformer, which compares values with `obj` and returns whether or not they are equal. If `shouldBeTrue` is `YES`, `transformedValue:` will return `YES` when the objects are equal. If `shouldBeTrue` is `NO`, `transformedValue:` will return `YES` when the objects are not equal. This is the designated initializer.

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