From: Robert Klemme <shortcutter@...>
Date: 2006-04-29T03:42:31+09:00
Subject: Re: how to use curly brackets vs. 'end' in Ruby

2006/4/28, carlo <cdicelico@earthlink.net>:
> i dislike the use of 'end' (just about the only think i *don't* like in
> ruby). so, since everybody is saying that this is just a matter of
> taste, why won't this work:
>
> class Hello
> {
> attr_reader :msg
> def initialize
> {
> @msg = "Hello, World"
> }
> }
> h = Hello.new
> puts h.msg
> print "Press RETURN"
> $stdin.gets

Because it's syntactically not permitted.  Note that {...} can only
replace do...end.

> Or what about this:

same.

> in other words, i'm more comfortable with {} coming from C,C++, & C# so
> what are the precise syntax rules for substituting {} for 'end'? is
> there anything wrong with how i structured my code above? I keep getting
> syntax errors & "odd number list for Hash" errors, & i'm pretty sure it
> has something to do with my syntax, since both of these work in their
> original form (using 'end'). obviously, ruby thinks i'm trying to create
> a hash. so, how can i use {} instead of 'end' w/o confusing ruby?

http://ruby-doc.org/docs/ProgrammingRuby/html/intro.html#S6

Kind regards

robert

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