1 module test1673;
2 
Foo(T...)3 template Foo(T...) { }
4 
Bar(T...)5 template Bar(T...)
6 {
7     template Doo(T...)
8     {
9     }
10 }
11 
Tuple(T...)12 template Tuple(T...) { alias Tuple = T; }
13 
main()14 void main()
15 {
16     static assert( __traits(isTemplate, Foo));
17     static assert(!__traits(isTemplate, Foo!int));
18     static assert(!__traits(isTemplate, main));
19 
20     static assert( __traits(isTemplate, Bar));
21     static assert(!__traits(isTemplate, Bar!int));
22     static assert( __traits(isTemplate, Bar!(int).Doo));
23     static assert(!__traits(isTemplate, Bar!(int).Doo!int));
24 
25     alias Tup = Tuple!(Foo, Foo!int, Bar, Bar!int, Bar!(int).Doo, Bar!(int).Doo!int);
26 
27     static assert( __traits(isTemplate, Tup[0]));
28     static assert(!__traits(isTemplate, Tup[1]));
29     static assert( __traits(isTemplate, Tup[2]));
30     static assert(!__traits(isTemplate, Tup[3]));
31     static assert( __traits(isTemplate, Tup[4]));
32     static assert(!__traits(isTemplate, Tup[5]));
33 }
34 
35 /// test overloads
foo_over()36 void foo_over() { }
37 void foo_over(T : int)(T) { }
38 void foo_over(T : float)(T) { }
39 static assert(__traits(isTemplate, foo_over));
40 
41 /// ditto
bar_over()42 void bar_over() { }
bar_over(int)43 void bar_over(int) { }
44 static assert(!__traits(isTemplate, bar_over));
45 
46 /// alias to overloads
47 alias a_foo_over = foo_over;
48 static assert(__traits(isTemplate, a_foo_over));
49 
50 /// ditto
51 alias a_bar_over = bar_over;
52 static assert(!__traits(isTemplate, a_bar_over));
53