LastIndexOf< T >() [1/2]

static int System.SpanHelpers.LastIndexOf< T > ( ref T searchSpace, int searchSpaceLength, ref T value, int valueLength )

inlinestatic

Type Constraints

T

:

IEquatable<T>

Definition at line 3412 of file SpanHelpers.cs.

                                                                                                                     : IEquatable<T>
    {
        if (valueLength == 0)
        {
            return searchSpaceLength;
        }
        T value2 = value;
        ref T second = ref Unsafe.Add(ref value, 1);
        int num = valueLength - 1;
        int num2 = 0;
        while (true)
        {
            int num3 = searchSpaceLength - num2 - num;
            if (num3 <= 0)
            {
                break;
            }
            int num4 = LastIndexOf(ref searchSpace, value2, num3);
            if (num4 == -1)
            {
                break;
            }
            if (SequenceEqual(ref Unsafe.Add(ref searchSpace, num4 + 1), ref second, num))
            {
                return num4;
            }
            num2 += num3 - num4;
        }
        return -1;
    }

References System.SpanHelpers.LastIndexOf(), System.SpanHelpers.SequenceEqual(), and System.value.