StartsWith< T >() [1/2]

static bool System.MemoryExtensions.StartsWith< T > ( this ReadOnlySpan< T > span, ReadOnlySpan< T > value )

inlinestatic

Type Constraints

T

:

IEquatable<T>

Definition at line 949 of file MemoryExtensions.cs.

                                                                                               : IEquatable<T>
    {
        int length = value.Length;
        if (RuntimeHelpers.IsBitwiseEquatable<T>())
        {
            nuint num = (nuint)Unsafe.SizeOf<T>();
            if (length <= span.Length)
            {
                return SpanHelpers.SequenceEqual(ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(span)), ref Unsafe.As<T, byte>(ref MemoryMarshal.GetReference(value)), (uint)length * num);
            }
            return false;
        }
        if (length <= span.Length)
        {
            return SpanHelpers.SequenceEqual(ref MemoryMarshal.GetReference(span), ref MemoryMarshal.GetReference(value), length);
        }
        return false;
    }

References System.length, System.SpanHelpers.SequenceEqual(), System.T, and System.value.