D-Programming-Language/phobos — pull request #2822 by Dicebot (2014-12-29 16:45:15+00:00)
Title: Add explicitCast helper to std.conv

Makes possible to define more restricted cast that won't accidently
result in broken behavior during refactoring.

As discussed in http://forum.dlang.org/post/m7datc$2p31$1@digitalmars.com