Re: [sigc] return value of emit()

From: Murray Cumming <murrayc murrayc com>
To: Antonio Coralles <noche suapie reflex at>
Cc: libsigc++ list <libsigc-list gnome org>
Subject: Re: [sigc] return value of emit()
Date: Wed, 13 Jul 2005 17:20:40 +0200

On Wed, 2005-07-13 at 17:19 +0200, Antonio Coralles wrote:
> Let's say i've an sigc::signal<bool> with no slots connected to it. Will
> emit() then return true, or false ?

I guess it will return bool(). For instance, a std::list<bool> would
have bool() as the default value for elements. That's probably false.

>  Is there a way to customize this
> behavour ?
> [I know that this problem can be easily be circumvented using empty() ... ]
> Antonio

-- 
Murray Cumming
murrayc murrayc com
www.murrayc.com
www.openismus.com

References:
- [sigc] return value of emit()
  - From: Antonio Coralles

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