Reverse< T >() [2/2]

static void System.Array.Reverse< T > ( T[] array, int index, int length )

inlinestatic

Definition at line 2295 of file Array.cs.

    {
        if (array == null)
        {
            ThrowHelper.ThrowArgumentNullException(ExceptionArgument.array);
        }
        if (index < 0)
        {
            ThrowHelper.ThrowIndexArgumentOutOfRange_NeedNonNegNumException();
        }
        if (length < 0)
        {
            ThrowHelper.ThrowLengthArgumentOutOfRange_ArgumentOutOfRange_NeedNonNegNum();
        }
        if (array.Length - index < length)
        {
            ThrowHelper.ThrowArgumentException(ExceptionResource.Argument_InvalidOffLen);
        }
        if (length > 1)
        {
            ref T reference = ref Unsafe.Add(ref MemoryMarshal.GetArrayDataReference(array), index);
            ref T reference2 = ref Unsafe.Add(ref Unsafe.Add(ref reference, length), -1);
            do
            {
                T val = reference;
                reference = reference2;
                reference2 = val;
                reference = ref Unsafe.Add(ref reference, 1);
                reference2 = ref Unsafe.Add(ref reference2, -1);
            }
            while (Unsafe.IsAddressLessThan(ref reference, ref reference2));
        }
    }

References System.array, System.Runtime.InteropServices.MemoryMarshal.GetArrayDataReference(), System.index, System.length, System.ThrowHelper.ThrowArgumentException(), System.ThrowHelper.ThrowArgumentNullException(), System.ThrowHelper.ThrowIndexArgumentOutOfRange_NeedNonNegNumException(), and System.ThrowHelper.ThrowLengthArgumentOutOfRange_ArgumentOutOfRange_NeedNonNegNum().