method

obj.method(sym) â method

Instance Public methods

Looks up the named method as a receiver in obj, returning a Method object (or raising NameError). The Method object acts as a closure in obj's object instance, so instance variables and the value of self remain available.

class Demo
  def initialize(n)
    @iv = n
  end
  def hello()
    "Hello, @iv = #{@iv}"
  end
end
 
k = Demo.new(99)
m = k.method(:hello)
m.call   #=> "Hello, @iv = 99"
 
l = Demo.new('Fred')
m = l.method("hello")
m.call   #=> "Hello, @iv = Fred"

doc_ruby_on_rails

2025-01-10 15:47:30

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