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Allow method reference for Sort comparer

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disarray2077 2024-02-15 22:26:10 -03:00
parent 1c310e1bec
commit bdd034952a
4 changed files with 54 additions and 10 deletions
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27
BeefLibs/corlib/src/Array.bf
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@ -159,19 +159,40 @@ namespace System
public static void Sort<T>(T[] array, Comparison<T> comp)
{
var sorter = Sorter<T, void>(&array.[Friend]mFirstElement, null, array.[Friend]mLength, comp);
var sorter = Sorter<T, void, Comparison<T>>(&array.[Friend]mFirstElement, null, array.[Friend]mLength, comp);
sorter.[Friend]Sort(0, array.[Friend]mLength);
}
public static void Sort<T, TComparer>(T[] array, TComparer comp)
where TComparer : Comparison<T>
{
var sorter = Sorter<T, void, TComparer>(&array.[Friend]mFirstElement, null, array.[Friend]mLength, comp);
sorter.[Friend]Sort(0, array.[Friend]mLength);
}
public static void Sort<T, T2>(T[] keys, T2[] items, Comparison<T> comp)
{
var sorter = Sorter<T, T2>(&keys.[Friend]mFirstElement, &items.[Friend]mFirstElement, keys.[Friend]mLength, comp);
var sorter = Sorter<T, T2, Comparison<T>>(&keys.[Friend]mFirstElement, &items.[Friend]mFirstElement, keys.[Friend]mLength, comp);
sorter.[Friend]Sort(0, keys.[Friend]mLength);
}
public static void Sort<T, T2, TComparer>(T[] keys, T2[] items, Comparison<T> comp)
where TComparer : Comparison<T>
{
var sorter = Sorter<T, T2, TComparer>(&keys.[Friend]mFirstElement, &items.[Friend]mFirstElement, keys.[Friend]mLength, comp);
sorter.[Friend]Sort(0, keys.[Friend]mLength);
}
public static void Sort<T>(T[] array, int index, int count, Comparison<T> comp)
{
var sorter = Sorter<T, void>(&array.[Friend]mFirstElement, null, array.[Friend]mLength, comp);
var sorter = Sorter<T, void, Comparison<T>>(&array.[Friend]mFirstElement, null, array.[Friend]mLength, comp);
sorter.[Friend]Sort(index, count);
}
public static void Sort<T, TComparer>(T[] array, int index, int count, Comparison<T> comp)
where TComparer : Comparison<T>
{
var sorter = Sorter<T, void, TComparer>(&array.[Friend]mFirstElement, null, array.[Friend]mLength, comp);
sorter.[Friend]Sort(index, count);
}

21
BeefLibs/corlib/src/Collections/List.bf
View file

@ -789,14 +789,29 @@ namespace System.Collections
public void Sort(Comparison<T> comp)
{
var sorter = Sorter<T, void>(mItems, null, mSize, comp);
var sorter = Sorter<T, void, Comparison<T>>(mItems, null, mSize, comp);
sorter.[Friend]Sort(0, mSize);
}
public void Sort<TComparer>(TComparer comp)
where TComparer : Comparison<T>
{
var sorter = Sorter<T, void, TComparer>(mItems, null, mSize, comp);
sorter.[Friend]Sort(0, mSize);
}
public void Sort(Comparison<T> comp, int index, int count)
{
Debug.Assert((uint)index + (uint)count <= (uint)mSize);
var sorter = Sorter<T, void>(mItems, null, mSize, comp);
var sorter = Sorter<T, void, Comparison<T>>(mItems, null, mSize, comp);
sorter.[Friend]Sort(index, count);
}
public void Sort<TComparer>(TComparer comp, int index, int count)
where TComparer : Comparison<T>
{
Debug.Assert((uint)index + (uint)count <= (uint)mSize);
var sorter = Sorter<T, void, TComparer>(mItems, null, mSize, comp);
sorter.[Friend]Sort(index, count);
}
@ -1137,7 +1152,7 @@ namespace System.Collections
public void Sort()
{
Sort(scope (lhs, rhs) => lhs <=> rhs);
Sort((lhs, rhs) => lhs <=> rhs);
}
}

7
BeefLibs/corlib/src/Collections/Sorter.bf
View file

@ -4,7 +4,8 @@
namespace System.Collections
{
struct Sorter<T, T2>
struct Sorter<T, T2, TComparer>
where TComparer : Comparison<T>
{
// This is the threshold where Introspective sort switches to Insertion sort.
// Empirically, 16 seems to speed up most cases without slowing down others, at least for integers.
@ -14,9 +15,9 @@ namespace System.Collections
private T* keys;
private T2* items;
private int mCount;
private Comparison<T> comparer;
private TComparer comparer;
public this(T* keys, T2* items, int count, Comparison<T> comparer)
public this(T* keys, T2* items, int count, TComparer comparer)
{
this.keys = keys;
this.items = items;

9
BeefLibs/corlib/src/Span.bf
View file

@ -301,7 +301,14 @@ namespace System
public void Sort(Comparison<T> comp)
{
var sorter = Sorter<T, void>(Ptr, null, Length, comp);
var sorter = Sorter<T, void, Comparison<T>>(Ptr, null, Length, comp);
sorter.[Friend]Sort(0, Length);
}
public void Sort<TComparer>(TComparer comp)
where TComparer : Comparison<T>
{
var sorter = Sorter<T, void, TComparer>(Ptr, null, Length, comp);
sorter.[Friend]Sort(0, Length);
}