GCC Code Coverage Report

Directory: ./
File: include/CXXIter/src/op/Map.h
Date: 2023-01-04 16:32:12
Exec Total Coverage
Lines: 9 9 100.0%
Functions: 124 124 100.0%
Branches: 4 8 50.0%
Line Branch Exec Source
1 #pragma once
2
3 #include <utility>
4
5 #include "../Common.h"
6 #include "../util/TraitImpl.h"
7
8 namespace CXXIter {
9
10 // ################################################################################################
11 // MAP
12 // ################################################################################################
13 namespace op {
14 /** @private */
15 template<typename TChainInput, typename TMapFn, typename TItem>
16 class [[nodiscard(CXXITER_CHAINER_NODISCARD_WARNING)]] Map : public IterApi<Map<TChainInput, TMapFn, TItem>> {
17 friend struct trait::Iterator<Map<TChainInput, TMapFn, TItem>>;
18 friend struct trait::DoubleEndedIterator<Map<TChainInput, TMapFn, TItem>>;
19 friend struct trait::ExactSizeIterator<Map<TChainInput, TMapFn, TItem>>;
20 private:
21 TChainInput input;
22 TMapFn mapFn;
23 public:
24 335 constexpr Map(TChainInput&& input, TMapFn mapFn) : input(std::move(input)), mapFn(mapFn) {}
25 };
26 }
27 // ------------------------------------------------------------------------------------------------
28 /** @private */
29 template<typename TChainInput, typename TMapFn, typename TItem>
30 struct trait::Iterator<op::Map<TChainInput, TMapFn, TItem>> {
31 using ChainInputIterator = trait::Iterator<TChainInput>;
32 using InputItemOwned = typename TChainInput::ItemOwned;
33 // CXXIter Interface
34 using Self = op::Map<TChainInput, TMapFn, TItem>;
35 using Item = TItem;
36
37 974 static constexpr inline IterValue<Item> next(Self& self) {
38
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 974 auto item = ChainInputIterator::next(self.input);
39
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 1948 return item.template map<Item, TMapFn&>(self.mapFn);
40 }
41 250 static constexpr inline SizeHint sizeHint(const Self& self) { return ChainInputIterator::sizeHint(self.input); }
42 49 static constexpr inline size_t advanceBy(Self& self, size_t n) { return util::advanceByPull(self, n); }
43 };
44 /** @private */
45 template<CXXIterDoubleEndedIterator TChainInput, typename TMapFn, typename TItem>
46 struct trait::DoubleEndedIterator<op::Map<TChainInput, TMapFn, TItem>> {
47 using ChainInputIterator = trait::DoubleEndedIterator<TChainInput>;
48 using InputItemOwned = typename TChainInput::ItemOwned;
49 // CXXIter Interface
50 using Self = op::Map<TChainInput, TMapFn, TItem>;
51 using Item = TItem;
52
53 21 static constexpr inline IterValue<Item> nextBack(Self& self) {
54
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 21 auto item = ChainInputIterator::nextBack(self.input);
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 42 return item.template map<Item, TMapFn&>(self.mapFn);
56 }
57 };
58 /** @private */
59 template<CXXIterExactSizeIterator TChainInput, typename TMapFn, typename TItem>
60 struct trait::ExactSizeIterator<op::Map<TChainInput, TMapFn, TItem>> {
61 static constexpr inline size_t size(const op::Map<TChainInput, TMapFn, TItem>& self) { return trait::ExactSizeIterator<TChainInput>::size(self.input); }
62 };
63
64 }
65