aboutsummaryrefslogtreecommitdiff
path: root/src/list/operation/higher/query.h
blob: c6eabc75bd1dc9251c3f3b9dd93bfd020d46ea20 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
#ifndef TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_QUERY_H_
#define TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_QUERY_H_

#include "fold.h"
#include "misc.h"
#include "operation/math.h"
#include "operation/logic.h"

namespace tav {

template <
	template<typename> class Function,
	typename                 List
>
using Any = Fold<
	Or,
	Boolean<false>,
	typename Map<Function, List>::type
>;

template <
	template<typename> class Function,
	typename                 List
>
using All = Fold<
	And,
	Boolean<true>,
	typename Map<Function, List>::type
>;

template <
	template<typename> class Function,
	typename                 List
>
using None = Not<
	typename Any<Function, List>::type
>;

template <
	template<typename> class Function,
	typename                 List
>
using Count = Fold<
	Add,
	tav::Size<0>,
	typename Map<Function, List>::type
>;

}

#endif  // TYPEASVALUE_SRC_LIST_OPERATION_HIGHER_QUERY_H_