From: Daniel Schierbeck <daniel.schierbeck@...>
Date: 2006-07-28T21:50:09+09:00
Subject: Re: Weird problem with case expressions

Carlos wrote:
> Daniel Schierbeck wrote:
> 
>> I have no problem doing this:
>>
>>   if foo :bar then
>>     ...
>>   end
>>
>> Yet when I do this:
>>
>>   case "foo"
>>     when bar :baz then "bur"
>>   end
>>
>> I get the following syntax error:
>>
>>   SyntaxError: compile error
>>   (irb):30: parse error, unexpected tSYMBEG, expecting kDO or '{' or '('
>>     when bar :baz then "bur"
>>               ^
>>
>> Is this intentional? Having the expression span multiple lines doesn't 
>> solve it.
> 
> case/when have an "alternative syntax":
> 
> case "foo"
>   when bar: "bur"
> end
> 
> probably this syntax is clashing with your construction.

if expressions have this syntax as well:

   if foo: "bar"
   elsif bar: "foo"
   end


Daniel