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// Origin: PR c++/46162
 
struct small_type { char dummy; };
struct large_type { char dummy[2]; };
 
template
struct has_foo_member_variable
{
  template struct tester;
  template static small_type has_foo(tester<&U::foo> *);
  template static large_type has_foo(...);
  static const bool value = (sizeof(has_foo(0)) == sizeof(small_type));
};
 
struct A
{
  static int foo()
  {
    return 0;
  }
};
 
struct B
{
  static int foo;
};
 
void
bar()
{
  bool b = has_foo_member_variable::value;
}
 

Line No.	Rev	Author	Line
1	693	jeremybenn	`// Origin: PR c++/46162`
2
3			`struct small_type { char dummy; };`
4			`struct large_type { char dummy[2]; };`
5
6			`template`
7			`struct has_foo_member_variable`
8			`{`
9			`template struct tester;`
10			`template static small_type has_foo(tester<&U::foo> *);`
11			`template static large_type has_foo(...);`
12			`static const bool value = (sizeof(has_foo(0)) == sizeof(small_type));`
13			`};`
14
15			`struct A`
16			`{`
17			`static int foo()`
18			`{`
19			`return 0;`
20			`}`
21			`};`
22
23			`struct B`
24			`{`
25			`static int foo;`
26			`};`
27
28			`void`
29			`bar()`
30			`{`
31			`bool b = has_foo_member_variable::value;`
32			`}`
33

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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [g++.dg/] [template/] [sfinae27.C] - Blame information for rev 696