/// <summary>
/// Sorts the elements of this query.
/// </summary>
/// <typeparam name="T">Type of the elements.</typeparam>
/// <param name="query">The query.</param>
/// <param name="comparison">The comparison.</param>
/// <returns>This query with the elements sorted.</returns>
unsafe public static NativeQuery <T> Sorted <T>(this NativeQuery <T> query, Comparison <T> comparison) where T : unmanaged
{
if (query.IsEmpty)
{
return(new NativeQuery <T>(query.GetAllocator()));
}
NativeSortUtilities.Sort(query._buffer, query.Length, comparison);
return(query);
}
/// <summary>
/// Sorts the elements of this query.
/// </summary>
/// <typeparam name="T">Type of the elements.</typeparam>
/// <param name="query">The query.</param>
/// <returns>This query with the elements sorted.</returns>
unsafe public static NativeQuery <T> Sorted <T>(this NativeQuery <T> query) where T : unmanaged, IComparable <T>
{
if (query.IsEmpty)
{
return(new NativeQuery <T>(query.GetAllocator()));
}
NativeSortUtilities.Sort <T>(query._buffer, query.Length);
return(query);
}
/// <summary>
/// Gets a <see cref="NativeQuery{T}"/> with the default values if this query is empty, otherwise get the same query.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="query">The query.</param>
/// <param name="defaultValues">The default values.</param>
/// <returns>A query with the default value if empty, otherwise the same query will be returned.</returns>
public static NativeQuery <T> DefaultIfEmpty <T>(this NativeQuery <T> query, Span <T> defaultValues) where T : unmanaged
{
if (query.IsEmpty)
{
if (defaultValues.IsEmpty)
{
return(new NativeQuery <T>(query.GetAllocator()));
}
unsafe
{
int length = defaultValues.Length;
Allocator allocator = query.GetAllocator() ?? Allocator.Default;
T * buffer = allocator.Allocate <T>(length);
void * src = Unsafe.AsPointer(ref defaultValues[0]);
Unsafe.CopyBlockUnaligned(buffer, src, (uint)(sizeof(T) * length));
return(new NativeQuery <T>(buffer, length, allocator));
}
}
return(query);
}
/// <summary>
/// Gets a <see cref="NativeQuery{T}"/> with the default value if this query is empty, otherwise get the same query.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <typeparam name="TResult">The type of the result.</typeparam>
/// <param name="query">The query.</param>
/// <param name="defaultValue">The default value.</param>
/// <returns>A query with the default value if empty, otherwise the same query will be returned.</returns>
public static NativeQuery <T> DefaultIfEmpty <T>(this NativeQuery <T> query, T defaultValue) where T : unmanaged
{
if (query.IsEmpty)
{
unsafe
{
Allocator allocator = query.GetAllocator() ?? Allocator.Default;
T * value = allocator.Allocate <T>(1);
* value = defaultValue;
return(new NativeQuery <T>(value, 1, allocator));
}
}
return(query);
}