From: matz@... (Yukihiro Matsumoto)
Date: 2001-09-12T16:51:35+09:00
Subject: [ruby-talk:21165] Re: A parsing bug in 1.7.1?

Hi,

In message "[ruby-talk:21025] A parsing bug in 1.7.1?"
    on 01/09/10, Aleksi Niemel� <aleksi.niemela@hex.fi> writes:

|These work and don't work almost randomly :) :
|
|[foo("bar")]               works
|[foo("bar"),]              works
|[foo ("bar")]              works
|[foo ("bar"),]             doesn't work
|[foo ("bar"), foo("bar")]  works
|[foo ("bar"), foo("bar"),] doesn't

As a general rule, don't put spaces between method names and
parenthesis in Ruby.

|Why I'm filing this in the first place is that all of the above works
|with 1.6.4 so there might be some regression here, or a deliberately
|made choice for grammar change. In either case it might be good to raise
|public awareness.
|
|In any case it's nice to note array notation doesn't go along nicely as
|expected (by a novice) with small whitespace adjustments. So
|
|   [foo ("bar"), 2] is expected to be     [(foo("bar")), 2] by a novice
|                    whereas it's actually [(foo("bar", 2))], while
|   [foo("bar"), 2]  parses always as the expected one.

I will try to fix this.  But I still recommend to follow the above rule.

							matz.