class Method < Object

Method objects are created by Object#method, and are associated with a particular object (not just with a class). They may be used to invoke the method within the object, and as a block associated with an iterator.

class Thing def square(n) n*n end end aThing = aMethod = aThing.method("square") 81 [ 1, 2, 3 ].collect(&aMethod) [1, 4, 9]

instance methods

[ ]
meth[ [args]* ] → anObject
Synonym for
meth.arity → aFixnum
Returns an indication of the number of arguments accepted by a method. Returns a nonnegative integer for methods that take a fixed number of arguments. For Ruby methods that take a variable number of arguments, returns -n-1, where n is the number of required arguments. For methods written in C, returns -1 if the call takes a variable number of arguments.
call [args]* ) → anObject
Invokes the meth with the specified arguments, returning the method's return value.
m = 12.method("+") 15 32
meth.to_proc → aProc
Returns a Proc object corresponding to this method.
Show this content in its own window