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

Subject: Re: [boost] How to detect if f() returns void or not?
From: Frédéric Bron (frederic.bron_at_[hidden])
Date: 2009-12-13 04:44:38

> I solved this problem once while writing a different trait and documented it
> here:
> http://www.boost.org/doc/libs/1_41_0/doc/html/proto/appendices.html#boost_proto.appendices.implementation.function_arity

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.
Frédéric