Boost.Hana: boost/hana/fwd/eval_if.hpp File Reference

| Boost.Hana 1.0.0 Your standard library for metaprogramming |

Namespaces | Variables
eval_if.hpp File Reference

Forward declares `boost::hana::eval_if`. More...

## Namespaces

| boost
| boost::hana
| Namespace containing everything in the library.

## Variables

constexpr auto | boost::hana::eval_if

Conditionally execute one of two branches based on a condition.Given a condition and two branches in the form of lambdas or `hana::lazy`s, `eval_if` will evaluate the branch selected by the condition with `eval` and return the result. The exact requirements for what the branches may be are the same requirements as those for the `eval` function. More...

## Detailed Description

Forward declares `boost::hana::eval_if`.

Copyright
  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)