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Objective-C dynamic selector
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| NSString *a = @"bar"; | |
| NSString *aSelector = @"uppercaseString"; | |
| NSString *b = [a performSelector:NSSelectorFromString(aSelector)]; | |
| //NSString *b = objc_msgSend(a, NSSelectorFromString(aSelector)); | |
| NSLog(@"b: %@", b); | |
| //=> b: "BAR" |
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| a = "bar" | |
| a_method = "upcase" | |
| a.send(a_method) | |
| # => "BAR" |
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