Invoke a function with the elements of a Foldable as arguments.Given a function and a foldable structure whose length can be known at compile-time, unpack invokes the function with the contents of that structure. In other words, unpack(xs, f) is equivalent to f(x...), where x... are the elements of the structure. The length of the structure must be known at compile-time, because the version of f's operator() that will be compiled depends on the number of arguments it is called with, which has to be known at compile-time. More...
Louis Dionne 2013-2016 Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
