Function SpanExtensions.IndexOf
        
                IndexOf<T>
        
                (thisUnsafeSpan<T> span, T value)
    
            
            Returns the index of the first occurrence of a value in the span.
                Public
                    Static
            
        int IndexOf<T> (
thisUnsafeSpan<T>  |     span  |         |
T  |     value  |         
Returns the index of the first occurrence of a value in the span.
If the value is not found, -1 is returned.