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instance method

Method#[]

(?) -> untyped
meth[args, ...] → obj

Alias of #call

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

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

Using Method#=== allows a method object to be the target of a when clause in a case statement.

Example
require 'prime'

case 1373
when Prime.method(:prime?)
  # ...
end
See also #call #>> #arity #=== also in 4.1 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0