[Commits] [wesnoth/wesnoth] d72aa9: add an operator bool() to unit_map::iterator

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: d72aa90532aa5f1ad575f8add16335f4953e1842
      https://github.com/wesnoth/wesnoth/commit/d72aa90532aa5f1ad575f8add16335f4953e1842
  Author: Chris Beck <render787 at gmail.com>
  Date:   2014-12-23 (Tue, 23 Dec 2014)

  Changed paths:
    M src/unit_map.hpp

  Log Message:
  -----------
  add an operator bool() to unit_map::iterator

Semantically equivalent to `unit_map::iterator::valid()`
Uses safe bool idiom when c++11 is not enabled