RACValueTransformer.m
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//
// RACValueTransformer.m
// ReactiveCocoa
//
// Created by Josh Abernathy on 3/6/12.
// Copyright (c) 2012 GitHub, Inc. All rights reserved.
//
#import "RACValueTransformer.h"
@interface RACValueTransformer ()
@property (nonatomic, copy) id (^transformBlock)(id value);
@end
@implementation RACValueTransformer
#pragma mark NSValueTransformer
+ (BOOL)allowsReverseTransformation {
return NO;
}
- (id)transformedValue:(id)value {
return self.transformBlock(value);
}
#pragma mark API
@synthesize transformBlock;
+ (instancetype)transformerWithBlock:(id (^)(id value))block {
NSCParameterAssert(block != NULL);
RACValueTransformer *transformer = [[self alloc] init];
transformer.transformBlock = block;
return transformer;
}
@end