libphobos/src/std/typetuple.d

   1 /**
   2  * This module was renamed to disambiguate the term tuple, use
   3  * $(MREF std, meta) instead.
   4  *
   5  * Copyright: Copyright The D Language Foundation 2005 - 2015.
   6  * License: $(HTTP www.boost.org/LICENSE_1_0.txt, Boost License 1.0).
   7  * Authors:
   8  * Source:    $(PHOBOSSRC std/typetuple.d)
   9  *
  10  * $(SCRIPT inhibitQuickIndex = 1;)
  11  */
  12 module std.typetuple;
  13
  14 public import std.meta;
  15
  16 /**
  17  * Alternate name for $(REF AliasSeq, std,meta) for legacy compatibility.
  18  */
  19 alias TypeTuple = AliasSeq;
  20
  21 ///
  22 @safe unittest
  23 {
  24     import std.typetuple;
  25     alias TL = TypeTuple!(int, double);
  26
  27     int foo(TL td)  // same as int foo(int, double);
  28     {
  29         return td[0] + cast(int) td[1];
  30     }
  31     assert(foo(1, 2.5) == 3);
  32 }
  33
  34 ///
  35 @safe unittest
  36 {
  37     alias TL = TypeTuple!(int, double);
  38
  39     alias Types = TypeTuple!(TL, char);
  40     static assert(is(Types == TypeTuple!(int, double, char)));
  41 }