//#define USE_NOT_BURST_COMPATIBLE_EXTENSIONS
using System;
using Unity.Collections.LowLevel.Unsafe;
namespace Unity.Collections.NotBurstCompatible
{
/// <summary>
/// Provides some extension methods for various collections.
/// </summary>
public static class Extensions
{
/// <summary>
/// Returns a new managed array with all the elements copied from a set.
/// </summary>
/// <typeparam name="T">The type of elements.</typeparam>
/// <param name="set">The set whose elements are copied to the array.</param>
/// <returns>A new managed array with all the elements copied from a set.</returns>
[ExcludeFromBurstCompatTesting("Returns managed array")]
public static T[] ToArray<T>(this NativeHashSet<T> set)
where T : unmanaged, IEquatable<T>
{
var array = set.ToNativeArray(Allocator.TempJob);
var managed = array.ToArray();
array.Dispose();
return managed;
}
/// <summary>
/// Returns a new managed array with all the elements copied from a set.
/// </summary>
/// <typeparam name="T">The type of elements.</typeparam>
/// <param name="set">The set whose elements are copied to the array.</param>
/// <returns>A new managed array with all the elements copied from a set.</returns>
[ExcludeFromBurstCompatTesting("Returns managed array")]
public static T[] ToArray<T>(this NativeParallelHashSet<T> set)
where T : unmanaged, IEquatable<T>
{
var array = set.ToNativeArray(Allocator.TempJob);
var managed = array.ToArray();
array.Dispose();
return managed;
}
/// <summary>
/// Returns a new managed array which is a copy of this list.
/// </summary>
/// <typeparam name="T">The type of elements.</typeparam>
/// <param name="list">The list to copy.</param>
/// <returns>A new managed array which is a copy of this list.</returns>
[ExcludeFromBurstCompatTesting("Returns managed array")]
public static T[] ToArrayNBC<T>(this NativeList<T> list)
where T : unmanaged
{
return list.AsArray().ToArray();
}
/// <summary>
/// Clears this list and then copies all the elements of an array to this list.
/// </summary>
/// <typeparam name="T">The type of elements.</typeparam>
/// <param name="list">This list.</param>
/// <param name="array">The managed array to copy from.</param>
[ExcludeFromBurstCompatTesting("Takes managed array")]
public static void CopyFromNBC<T>(this NativeList<T> list, T[] array)
where T : unmanaged
{
list.Clear();
list.Resize(array.Length, NativeArrayOptions.UninitializedMemory);
NativeArray<T> na = list.AsArray();
na.CopyFrom(array);
}
}
}