From: mental@...
Date: 2006-02-28T01:42:05+09:00
Subject: Re: Ruby Whitespace Semantics

Quoting Almann Goo <almann.goo@gmail.com>:

> Can someone please explain the semantics behind the following:
>
> irb(main):001:0> a = ( 4 + 5 )
> => 9
> irb(main):002:0> a = ( 4
> irb(main):003:1>       + 5 )
> => 5
> irb(main):004:0> a = ( 4 +
> irb(main):005:1*       5 )
> => 9
>
> The first and last statements make sense to me, but why is the
> second one returning 5?

a = ( 4 + 5 )
a = ( 4 ; + 5 )
a = ( 4 + 5 )

A line break begins a new statement unless there is a dangling
binary operator or line continuation.

-mental