From: Sean Russell <ser@...>
Date: 2001-12-19T23:46:47+09:00
Subject: [ruby-talk:28918] Re: array.to_h

Markus Jais wrote:

> why is there an "*" before "array"?
> is does not work without it, but why is it so??

"*" explodes an array and turns it into a list.

        a = [ 1, 2, 3, 4 ]
        h = Hash[ *a ]

is the same as

        h = Hash[ 1, 2, 3, 4 ]

-- 
--- SER