2009/12/8 Vadim Guchenko <nomail@relost.net>
Hello, All!

Is there a simple way to create a functor that returns one of its arguments
_1, _2, ...?

In Boost.Lambda _2 is a functor that returns its second argument and constant(true) is a functor that always returns true. The same works with Boost.Phoenix.

Roman Perepelitsa.