Selectoris an object wrapper for a selector.
instance (id) with selector sel;
id (self) init selector s;
boolean equal id other;
void encodeUsingCoder Encoder coder;
Selectorobject. This writes the name of the selector as the means of identifying the selector upon decoding. (The selector itself can't be written since encoding a selector actually encodes a
void initWithCoder Decoder coder;