Class Method
In: eval.c
Parent: Object

Methods

==   []   arity   call   clone   inspect   to_proc   to_s   unbind  

Public Instance methods

Two method objects are equal if that are bound to the same object and contain the same body.

Invokes the meth with the specified arguments, returning the method’s return value.

   m = 12.method("+")
   m.call(3)    #=> 15
   m.call(20)   #=> 32

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.

   class C
     def one;    end
     def two(a); end
     def three(*a);  end
     def four(a, b); end
     def five(a, b, *c);    end
     def six(a, b, *c, &d); end
   end
   c = C.new
   c.method(:one).arity     #=> 0
   c.method(:two).arity     #=> 1
   c.method(:three).arity   #=> -1
   c.method(:four).arity    #=> 2
   c.method(:five).arity    #=> -3
   c.method(:six).arity     #=> -3

   "cat".method(:size).arity      #=> 0
   "cat".method(:replace).arity   #=> 1
   "cat".method(:squeeze).arity   #=> -1
   "cat".method(:count).arity     #=> -1

Invokes the meth with the specified arguments, returning the method’s return value.

   m = 12.method("+")
   m.call(3)    #=> 15
   m.call(20)   #=> 32

MISSING: documentation

Show the name of the underlying method.

  "cat".method(:count).inspect   #=> "#<Method: String#count>"

Returns a Proc object corresponding to this method.

Show the name of the underlying method.

  "cat".method(:count).inspect   #=> "#<Method: String#count>"

Dissociates meth from it’s current receiver. The resulting UnboundMethod can subsequently be bound to a new object of the same class (see UnboundMethod).

To view or add comments on this documentation, please go to the API wiki.

[Validate]