January 16, 2016
  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: c12573a33724e7b0238181f338d177d1a90f17ef
      https://github.com/D-Programming-Language/phobos/commit/c12573a33724e7b0238181f338d177d1a90f17ef
  Author: Andrei Alexandrescu <andrei@erdani.com>
  Date:   2016-01-15 (Fri, 15 Jan 2016)

  Changed paths:
    M std/algorithm/sorting.d

  Log Message:
  -----------
  Faster heap operations


  Commit: 96ece512a24e9bc2e45389a6bc29000e47a808a6
      https://github.com/D-Programming-Language/phobos/commit/96ece512a24e9bc2e45389a6bc29000e47a808a6
  Author: Andrei Alexandrescu <andrei@erdani.com>
  Date:   2016-01-15 (Fri, 15 Jan 2016)

  Changed paths:
    M std/algorithm/sorting.d

  Log Message:
  -----------
  Use member syntax for swapAt to give the range a chance to intercept it


  Commit: 01bdccf3102c367a54d7a344ba866946491f3380
      https://github.com/D-Programming-Language/phobos/commit/01bdccf3102c367a54d7a344ba866946491f3380
  Author: Andrei Alexandrescu <andrei@erdani.com>
  Date:   2016-01-15 (Fri, 15 Jan 2016)

  Changed paths:
    M std/algorithm/sorting.d

  Log Message:
  -----------
  Improved siftDown and percolate, also documented both


  Commit: 7f24ccfeb503445dc56fee0c3e7ee41268ef80a5
      https://github.com/D-Programming-Language/phobos/commit/7f24ccfeb503445dc56fee0c3e7ee41268ef80a5
  Author: Ilya Yaroshenko <ilyayaroshenko@gmail.com>
  Date:   2016-01-16 (Sat, 16 Jan 2016)

  Changed paths:
    M std/algorithm/sorting.d

  Log Message:
  -----------
  Merge pull request #3933 from andralex/heap

Faster heap operations


Compare: https://github.com/D-Programming-Language/phobos/compare/731e47e2422b...7f24ccfeb503