mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-05 21:55:08 +00:00
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/*
|
|
* Copyright (c) 2021, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Concepts.h>
|
|
#include <AK/Traits.h>
|
|
#include <AK/Types.h>
|
|
|
|
namespace AK {
|
|
|
|
template<typename TEndIterator, IteratorPairWith<TEndIterator> TIterator, typename TUnaryPredicate>
|
|
[[nodiscard]] constexpr TIterator find_if(TIterator first, TEndIterator last, TUnaryPredicate&& pred)
|
|
{
|
|
for (; first != last; ++first) {
|
|
if (pred(*first)) {
|
|
return first;
|
|
}
|
|
}
|
|
return last;
|
|
}
|
|
|
|
template<typename TEndIterator, IteratorPairWith<TEndIterator> TIterator, typename V>
|
|
[[nodiscard]] constexpr TIterator find(TIterator first, TEndIterator last, V const& value)
|
|
{
|
|
return find_if(first, last, [&]<typename T>(T const& entry) { return Traits<T>::equals(entry, value); });
|
|
}
|
|
|
|
template<typename TEndIterator, IteratorPairWith<TEndIterator> TIterator, typename V>
|
|
[[nodiscard]] constexpr size_t find_index(TIterator first, TEndIterator last, V const& value)
|
|
requires(requires(TIterator it) { it.index(); })
|
|
{
|
|
return find_if(first, last, [&]<typename T>(T const& entry) { return Traits<T>::equals(entry, value); }).index();
|
|
}
|
|
|
|
}
|
|
|
|
#if USING_AK_GLOBALLY
|
|
using AK::find;
|
|
using AK::find_if;
|
|
using AK::find_index;
|
|
#endif
|