From: "Marcin Mielżyński" <lopexx@...>
Date: 2006-02-28T07:53:37+09:00
Subject: Re: Is this Ruby warning making sense???

rubyrus wrote:
> Does anyone think if this the warning makes any sense?
> 
> irb(main):002:0> puts "abc" if (a=true)
> (irb):2: warning: found = in conditional, should be ==
> abc
> 
> 
> I thought in ruby, everything is an expression, so a=true should return
> true, and
> if (true) is totally valid.  Why does it give the warning?
> 
> Or is this a language design thing?
> 

Any construction literal (true in this case) will produce such a warning 
since its value is already known,

but:

b=true
puts "blah" if a=b

wont


lopex