[phobos] [D-Programming-Language/phobos] 5182dd: Fix emplace!Class(void[]) docs

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 5182ddd675611a8206ac515495fdcb869b1f786f
      https://github.com/D-Programming-Language/phobos/commit/5182ddd675611a8206ac515495fdcb869b1f786f
  Author: Nick Treleaven <nick.treleaven at btinternet.com>
  Date:   2016-03-21 (Mon, 21 Mar 2016)

  Changed paths:
    M std/conv.d

  Log Message:
  -----------
  Fix emplace!Class(void[]) docs

Move emplace!Class(Class*) unittest to correct overload.
Add actual example for emplace!Class(void[]).
Use ddoc precondition blocks.


  Commit: 1c17cdefeade26fad89a7b26542b2ba0665ff212
      https://github.com/D-Programming-Language/phobos/commit/1c17cdefeade26fad89a7b26542b2ba0665ff212
  Author: Dmitry Olshansky <dmitry.olsh at gmail.com>
  Date:   2016-03-24 (Thu, 24 Mar 2016)

  Changed paths:
    M std/conv.d

  Log Message:
  -----------
  Merge pull request #4098 from ntrel/emplace-docs

Fix std.conv.emplace docs


Compare: https://github.com/D-Programming-Language/phobos/compare/708c5d8e6ddd...1c17cdefeade