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AK: Fix the signature of binary_search.

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asynts 2020-08-26 14:14:32 +02:00 committed by Andreas Kling
parent 18b3de7555
commit 8e08d9f70a
Notes: sideshowbarker 2024-07-19 03:07:11 +09:00 
Author: https://github.com/asynts
Commit: https://github.com/SerenityOS/serenity/commit/8e08d9f70ac
Pull-request: https://github.com/SerenityOS/serenity/pull/3309
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/stelar7
2 changed files with 6 additions and 6 deletions
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4
AK/BinarySearch.h
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@ -33,13 +33,13 @@
namespace AK {
template<typename T>
int integral_compare(const T& a, const T& b)
int integral_compare(const typename RemoveConst<T>::Type& a, const typename RemoveConst<T>::Type& b)
{
return a - b;
}
template<typename T, typename Compare>
T* binary_search(Span<T> haystack, const T& needle, Compare compare = integral_compare, size_t* nearby_index = nullptr)
T* binary_search(Span<T> haystack, const typename RemoveConst<T>::Type& needle, Compare compare = integral_compare, size_t* nearby_index = nullptr)
{
if (haystack.size() == 0) {
if (nearby_index)

8
AK/Tests/TestBinarySearch.cpp
View File

@ -50,9 +50,9 @@ TEST_CASE(array_doubles)
{
double doubles[] = { 1.1, 9.9, 33.33 };
auto test1 = *binary_search({ doubles, 3 }, 1.1, AK::integral_compare<double>);
auto test2 = *binary_search({ doubles, 3 }, 9.9, AK::integral_compare<double>);
auto test3 = *binary_search({ doubles, 3 }, 33.33, AK::integral_compare<double>);
auto test1 = *binary_search(Span<double> { doubles, 3 }, 1.1, AK::integral_compare<double>);
auto test2 = *binary_search(Span<double> { doubles, 3 }, 9.9, AK::integral_compare<double>);
auto test3 = *binary_search(Span<double> { doubles, 3 }, 33.33, AK::integral_compare<double>);
EXPECT_EQ(test1, 1.1);
EXPECT_EQ(test2, 9.9);
EXPECT_EQ(test3, 33.33);
@ -110,7 +110,7 @@ TEST_CASE(no_elements)
TEST_CASE(huge_char_array)
{
const size_t N = 2147483680;
const size_t N = 2147483680;
Bytes span { new (std::nothrow) u8[N], N };
EXPECT(span.data() != nullptr);