Tech Tips

In Ruby, there is an interesting feature called message passing.

irb(main):009:0> 1 + 2
=> 3
irb(main):010:0> 1.+(2)
=> 3
irb(main):011:0> 1.send "+",2
=> 3

In a second code, you put a 2 as 引数 of the + method. 1 is an object.

send is a method to send some information.