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Gets the first object in an array or returns nil for empty array.
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| // | |
| // NSArray+FirstObject.h | |
| // | |
| #import <Foundation/Foundation.h> | |
| @interface NSArray (FirstObject) | |
| - (id)firstObject; | |
| @end |
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| // | |
| // NSArray+FirstObject.m | |
| // | |
| #import "NSArray+FirstObject.h" | |
| @implementation NSArray (FirstObject) | |
| - (id)firstObject | |
| { | |
| return self.count > 0 ? self[ 0 ] : nil; | |
| } | |
| @end |
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