diff options
Diffstat (limited to 'absl/algorithm/container.h')
| -rw-r--r-- | absl/algorithm/container.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/absl/algorithm/container.h b/absl/algorithm/container.h index a2d126b7..5a025e46 100644 --- a/absl/algorithm/container.h +++ b/absl/algorithm/container.h @@ -211,6 +211,16 @@ container_algorithm_internal::ContainerIter<C> c_find(C& c, T&& value) { std::forward<T>(value)); } +// c_contains() +// +// Container-based version of the <algorithm> `std::ranges::contains()` C++23 +// function to search a container for a value. +template <typename Sequence, typename T> +bool c_contains(const Sequence& sequence, T&& value) { + return absl::c_find(sequence, std::forward<T>(value)) != + container_algorithm_internal::c_end(sequence); +} + // c_find_if() // // Container-based version of the <algorithm> `std::find_if()` function to find @@ -427,6 +437,26 @@ container_algorithm_internal::ContainerIter<Sequence1> c_search( std::forward<BinaryPredicate>(pred)); } +// c_contains_subrange() +// +// Container-based version of the <algorithm> `std::ranges::contains_subrange()` +// C++23 function to search a container for a subsequence. +template <typename Sequence1, typename Sequence2> +bool c_contains_subrange(Sequence1& sequence, Sequence2& subsequence) { + return absl::c_search(sequence, subsequence) != + container_algorithm_internal::c_end(sequence); +} + +// Overload of c_contains_subrange() for using a predicate evaluation other than +// `==` as the function's test condition. +template <typename Sequence1, typename Sequence2, typename BinaryPredicate> +bool c_contains_subrange(Sequence1& sequence, Sequence2& subsequence, + BinaryPredicate&& pred) { + return absl::c_search(sequence, subsequence, + std::forward<BinaryPredicate>(pred)) != + container_algorithm_internal::c_end(sequence); +} + // c_search_n() // // Container-based version of the <algorithm> `std::search_n()` function to |