__ __ __ __ / / /_/ _____ \ \ /_/ _____/ / _____ __ ___ __ / ___ \ _____ / / __ __ ___ _____ / ___ / / ___ \ \ \_/__/ / / / _____/ / ___ \ / / / / / /_/ / / ___ \ / /__/ / / /__/ \ / _/ / / / /__/ / / _____/ / / / / / _/ / / / /__/ / \_____/ \_____/\_\ /_/ __ / / \_____/ / /__/ / \_\ /_/ /_/ /_/ _\___ / / /__/ / \_____/ / /__/ / \_____/ \_____/
A module for results each of which is a value or an exception
A interface to represent whether a value or an exception.
See Source File
<a href="http://www.boost.org/LICENSE_1_0.txt">Boost License 1.0</a>.
(C) Kazuhiro Matsushima 2016.
Kazuhiro Matsushima
__ __ __ __ / / /_/ _____ \ \ /_/ _____/ / _____ __ ___ __ / ___ \ _____ / / __ __ ___ _____ / ___ / / ___ \ \ \_/__/ / / / _____/ / ___ \ / / / / / /_/ / / ___ \ / /__/ / / /__/ \ / _/ / / / /__/ / / _____/ / / / / / _/ / / / /__/ / \_____/ \_____/\_\ /_/ __ / / \_____/ / /__/ / \_\ /_/ /_/ /_/ _\___ / / /__/ / \_____/ / /__/ / \_____/ \_____/
A module for results each of which is a value or an exception