Re: [boost] How to detect if f() returns void or not?

Subject: Re: [boost] How to detect if f() returns void or not?
From: Eric Niebler (eric_at_[hidden])
Date: 2009-12-13 15:10:57

Frédéric Bron wrote:
>>>> This does not check for return type but just ignores it with the
>>>> operator, trick. In the end, you do not know if fun(a,b) return void
>>>> or not.
>>> I find your lack of faith disturbing.
> 
> I am very sorry for that, I did not want to hurt you; I was too rude.

Oh, no worries! You missed the Star Wars reference. I was making a joke, 
not actually upset. :-)

> This just shows how far I am from your practice of C++ because the
> fact that I understood the operator, trick did not make me think of
> how to use it to perform what I wanted. I have now read carrefully
> your proposed code and it works!
> I am now able ot  make the has_operator_xxxx traits work for any
> return type. So thank you very much and many kudos for your kind help.

Excellent. Glad to be of service.

-- 
Eric Niebler
BoostPro Computing
http://www.boostpro.com