SEL selMethod = @selector(function_name:);? [duplicate]

This question already has answers here: Closed 1开发者_开发知识库1 years ago.

Possible Duplicate:

What actually is a @selector?

What does the following statement do?

SEL selMethod = @selector(function_name:);

(where, type of SEL is objc_selector.)

Any guess?

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Read up on Selectors. They are used alot when you need to refer to class methods. For example, when dynamically deciding what to call at runtime.