static IMemoryOwner <TResult> ToArray <TSource, TResult>(this ReadOnlySpan <TSource> source, NullableSelectorAt <TSource, TResult> selector, MemoryPool <TResult> pool)
{
var result = pool.RentSliced(source.Length);
ArrayExtensions.Copy(source, result.Memory.Span, selector);
return(result);
}
static TResult[] ToArray <TSource, TResult>(this ReadOnlySpan <TSource> source, NullableSelectorAt <TSource, TResult> selector)
{
#if NET5_0
var result = GC.AllocateUninitializedArray <TResult>(source.Length);
#else
var result = new TResult[source.Length];
#endif
ArrayExtensions.Copy(source, result, selector);
return(result);
}
public static IMemoryOwner <TSource> ToArray <TSource>(this ReadOnlySpan <TSource> source, MemoryPool <TSource> pool)
{
if (pool is null)
{
Throw.ArgumentNullException(nameof(pool));
}
var result = pool.RentSliced(source.Length);
ArrayExtensions.Copy(source, result.Memory.Span);
return(result);
}
public override void CopyTo(TSource[] array, int _) => ArrayExtensions.Copy(source.Span, array);
