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@nakiwo nakiwo/gist:3179598
Created Jul 26, 2012

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Xcode4.4 iOS SDKで @yES,@no,array[...],dictionary[...]を使う
// Xcode4.4
// llvm4の機能のうち一部が、
// iOS 5.1 SDK で使えない
NSNumber *b = @YES; // error
NSArray *array = @[ @1, @2, @3 ];
NSNumber *n = array[1]; // error
// 対処 (自己責任で)
#if __has_feature(objc_subscripting)
@interface NSArray (HOGEHOGE)
- (id)objectAtIndexedSubscript:(NSUInteger)idx;
@interface NSMutableArray (HOGEHOGE)
- (void)setObject:(id)obj atIndexedSubscript:(NSUInteger)idx;
@interface NSDictionary (HOGEHOGE)
- (id)objectForKeyedSubscript:(id)key;
@interface NSMutableDictionary (HOGEHOGE)
- (void)setObject:(id)obj forKeyedSubscript:(id <NSCopying>)key;
#if __has_feature(objc_bool)
#undef YES
#undef NO
#define YES __objc_yes
#define NO __objc_no
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