coax a method to convert an associated block to a proc on the fly. : Procs « Method « Ruby






  1. Ruby
  2. Method
  3. Procs

coax a method to convert an associated block to a proc on the fly.


# To do this, you need to create an argument to the method that is proceeded by an ampersand (&). 

#!/usr/local/bin/ruby

def return_block
  yield
end

def return_proc( &proc )
  yield
end

return_block { puts "Got block!" }
return_proc { puts "Got block, convert to proc!" }








Related examples in the same category

1.A Proc is an object that holds a chunk of code.
2.Proc object picks up the surrounding environment when it is created.
3.A quicker way to create our hello Proc
4.Ruby lets you store procedures or procs, as they're called as objects, complete with their context.
5.Use Proc.new, proc and lamda to create methods
6.Use proc to create a function
7.Use Proc.new to create a new method