[phobos] [D-Programming-Language/phobos] 585504: Add hasUDA template

[GitHub via phobos]

  Branch: refs/heads/master
  Home:   https://github.com/D-Programming-Language/phobos
  Commit: 58550441b70ad49a5dc4714e6e0bd72ddc944d50
      https://github.com/D-Programming-Language/phobos/commit/58550441b70ad49a5dc4714e6e0bd72ddc944d50
  Author: Hackerpilot <briancschott at gmail.com>
  Date:   2015-06-02 (Tue, 02 Jun 2015)

  Changed paths:
    M std/traits.d

  Log Message:
  -----------
  Add hasUDA template


  Commit: c2ead962762c57da889a4889f1f2f747d674d9be
      https://github.com/D-Programming-Language/phobos/commit/c2ead962762c57da889a4889f1f2f747d674d9be
  Author: Steven Schveighoffer <schveiguy at yahoo.com>
  Date:   2015-06-02 (Tue, 02 Jun 2015)

  Changed paths:
    M std/traits.d

  Log Message:
  -----------
  Merge pull request #3356 from economicmodeling/add-hasUDA

Add hasUDA template


Compare: https://github.com/D-Programming-Language/phobos/compare/8127ec0b121e...c2ead962762c