From: "Iñaki Baz Castillo" <ibc@...>
Date: 2008-03-30T12:17:09+09:00
Subject: Re: Extrange behaviour using "if XXX ..." and "XXX if ..."

El Domingo, 30 de Marzo de 2008, Tim Hunter escribió:

> You must distinguish between parsing and execution. Ruby parses your
> program before Ruby executes your program.
>
> Ruby decides how to interpret the reference to a during parsing, before
> Ruby executes the if statements in your examples. Their success or
> failure has nothing to do with the decision. In this case
>
> a if a = "qweqwe"
>
> Remember parsing occurs from left to right. Ruby sees the reference to a
>   to the left of the assignment to a. When Ruby first encounters a
> reference to a it assumes that since it has not yet seen any assigment
> to a, then a must be a method name.

Ok, I understand. Thanks a lot.

-- 
Iñaki Baz Castillo