| 1 | // RUN: %check_clang_tidy -std=c++20 %s modernize-loop-convert %t -- -- -I %S/Inputs/loop-convert |
|---|---|
| 2 | |
| 3 | namespace std { |
| 4 | struct strong_ordering { |
| 5 | int n; |
| 6 | constexpr operator int() const { return n; } |
| 7 | static const strong_ordering equal, greater, less; |
| 8 | }; |
| 9 | constexpr strong_ordering strong_ordering::equal = {.n: 0}; |
| 10 | constexpr strong_ordering strong_ordering::greater = {.n: 1}; |
| 11 | constexpr strong_ordering strong_ordering::less = {.n: -1}; |
| 12 | } // namespace std |
| 13 | |
| 14 | struct HasSpaceshipMem { |
| 15 | typedef int value_type; |
| 16 | |
| 17 | struct iterator { |
| 18 | value_type &operator*(); |
| 19 | const value_type &operator*() const; |
| 20 | iterator &operator++(); |
| 21 | void insert(value_type); |
| 22 | value_type X; |
| 23 | constexpr auto operator<=>(const HasSpaceshipMem::iterator &) const = default; |
| 24 | }; |
| 25 | |
| 26 | iterator begin(); |
| 27 | iterator end(); |
| 28 | }; |
| 29 | |
| 30 | struct OpEqOnly { |
| 31 | typedef int value_type; |
| 32 | struct iterator { |
| 33 | value_type &operator*(); |
| 34 | const value_type &operator*() const; |
| 35 | iterator &operator++(); |
| 36 | bool operator==(const iterator &other) const; |
| 37 | void insert(value_type); |
| 38 | value_type X; |
| 39 | }; |
| 40 | iterator begin(); |
| 41 | iterator end(); |
| 42 | }; |
| 43 | |
| 44 | void rewritten() { |
| 45 | OpEqOnly Oeo; |
| 46 | for (OpEqOnly::iterator It = Oeo.begin(), E = Oeo.end(); It != E; ++It) { |
| 47 | (void)*It; |
| 48 | } |
| 49 | // CHECK-MESSAGES: :[[@LINE-3]]:3: warning: use range-based for loop instead |
| 50 | // CHECK-FIXES: for (int & It : Oeo) { |
| 51 | // CHECK-FIXES-NEXT: (void)It; |
| 52 | |
| 53 | HasSpaceshipMem Hsm; |
| 54 | for (HasSpaceshipMem::iterator It = Hsm.begin(), E = Hsm.end(); It != E; ++It) { |
| 55 | (void)*It; |
| 56 | } |
| 57 | // CHECK-MESSAGES: :[[@LINE-3]]:3: warning: use range-based for loop instead |
| 58 | // CHECK-FIXES: for (int & It : Hsm) { |
| 59 | // CHECK-FIXES-NEXT: (void)It; |
| 60 | } |
| 61 |