[phobos] [dlang/phobos] 268fa2: Add some const and immutable to std.algorithm

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/dlang/phobos
  Commit: 268fa2538d62dc7852a9d785bc6c133248e1f464
      https://github.com/dlang/phobos/commit/268fa2538d62dc7852a9d785bc6c133248e1f464
  Author: Jack Stouffer <jack at jackstouffer.com>
  Date:   2016-07-01 (Fri, 01 Jul 2016)

  Changed paths:
    M std/algorithm/comparison.d
    M std/algorithm/iteration.d
    M std/algorithm/mutation.d
    M std/algorithm/searching.d
    M std/algorithm/setops.d

  Log Message:
  -----------
  Add some const and immutable to std.algorithm


  Commit: 122194f7ee826cf1a147fa9eeca95c76dc28e2b0
      https://github.com/dlang/phobos/commit/122194f7ee826cf1a147fa9eeca95c76dc28e2b0
  Author: Walter Bright <WalterBright at users.noreply.github.com>
  Date:   2016-07-01 (Fri, 01 Jul 2016)

  Changed paths:
    M std/algorithm/comparison.d
    M std/algorithm/iteration.d
    M std/algorithm/mutation.d
    M std/algorithm/searching.d
    M std/algorithm/setops.d

  Log Message:
  -----------
  Merge pull request #4533 from JackStouffer/patch-yes

Add some const and immutable to std.algorithm


Compare: https://github.com/dlang/phobos/compare/43a078149422...122194f7ee82