[phobos] [D-Programming-Language/phobos] 519ce8: Make std.concurrency compatible with fibers

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 519ce8cef64eda6e5a37e853d6d8db691413da1c
      https://github.com/D-Programming-Language/phobos/commit/519ce8cef64eda6e5a37e853d6d8db691413da1c
  Author: Sean Kelly <sean at invisibleduck.org>
  Date:   2014-10-21 (Tue, 21 Oct 2014)

  Changed paths:
    M std/concurrency.d

  Log Message:
  -----------
  Make std.concurrency compatible with fibers

https://d.puremagic.com/issues/show_bug.cgi?id=12090

With this commit fibers can have own message boxes and act similar
to threads in that regard.


  Commit: 8fbad993ce8acb10c47b7c8ae8b67c001277f8e9
      https://github.com/D-Programming-Language/phobos/commit/8fbad993ce8acb10c47b7c8ae8b67c001277f8e9
  Author: Dicebot <public at dicebot.lv>
  Date:   2014-10-21 (Tue, 21 Oct 2014)

  Changed paths:
    M std/concurrency.d

  Log Message:
  -----------
  Add Generator to std.concurrency

Generator is an extension to a Fiber that yields return values of specific type


  Commit: b956f687bfc1de41993cb3950b38214e55369c2d
      https://github.com/D-Programming-Language/phobos/commit/b956f687bfc1de41993cb3950b38214e55369c2d
  Author: Михаил Страшун <registrations at dicebot.lv>
  Date:   2014-10-22 (Wed, 22 Oct 2014)

  Changed paths:
    M std/concurrency.d

  Log Message:
  -----------
  Merge pull request #1910 from complexmath/addConcurrencyScheduler

Issue 12090 - Make std.concurrency compatible with fibers as threads


Compare: https://github.com/D-Programming-Language/phobos/compare/ec5990986a32...b956f687bfc1