[phobos] [D-Programming-Language/phobos] c1014c: improve efficiency and testing of std.string.wrap

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: c1014ca42d854b63327571e005876fbeb4609142
      https://github.com/D-Programming-Language/phobos/commit/c1014ca42d854b63327571e005876fbeb4609142
  Author: Walter Bright <walter at walterbright.com>
  Date:   2015-03-27 (Fri, 27 Mar 2015)

  Changed paths:
    M std/string.d

  Log Message:
  -----------
  improve efficiency and testing of std.string.wrap


  Commit: 4974f90d3a8e41ff3f02c0ae6178331dc237ab51
      https://github.com/D-Programming-Language/phobos/commit/4974f90d3a8e41ff3f02c0ae6178331dc237ab51
  Author: Robert Schadek <robert.schadek at informatik.uni-oldenburg.de>
  Date:   2015-03-28 (Sat, 28 Mar 2015)

  Changed paths:
    M std/string.d

  Log Message:
  -----------
  Merge pull request #3116 from WalterBright/improve-wrap

improve efficiency and testing of std.string.wrap


Compare: https://github.com/D-Programming-Language/phobos/compare/9cf5bacfb8b2...4974f90d3a8e