throw sends a message to catch if n is less than or equal to 0. : throw « Statement « Ruby

1. Ruby
2. Statement
3. throw

throw sends a message to catch if n is less than or equal to 0.

#!/usr/bin/env ruby

def limit( n )
  puts n
  throw :done if n <= 0
  limit( n-1 )
end
catch( :done ) { limit( 5 ) }

 

Related examples in the same category