tree eda1c5bb9449641817ad2bd67d34d41dc146a8e8
parent 3dd8a77afa2412e5dc585be7d2f28fa4c7e2d4ec
author Christopher Kohlhoff <chris@kohlhoff.com> 1470821771 +1000
committer Christopher Kohlhoff <chris@kohlhoff.com> 1472073872 +1000

Make is_executor<> trait automatic.