assign a variable to a function in ruby - Cacher Snippet

1/15/2017 - 7:00 PM

assign a variable to a function in ruby

assign a variable to a function in ruby

variable-to-function.rb

def double(a)
  return a * 2 
end
=> nil

def method_with_function_as_param( callback, number) 
  callback.call(number) 
end 
=> nil

method_with_function_as_param( method(:double) , 10 ) 
=> 20