/// <summary>
/// Hashes the specified Span.
/// </summary>
public static int GetHashCode <T>(this ReadOnlySpan <T> values, Func <T, int> converter)
{
if (values.Length == 0)
{
return(0);
}
// It is hacky to make these values public, but until HashCodeHelper is a .NET Core project,
// it's too inefficient to implement this any other way (and not acceptable to duplicate
// the Fold implementation).
int hash = HashCodeHelper.Fnv1Basis32;
foreach (T value in values)
{
hash = HashCodeHelper.Fold(hash, converter(value));
}
return(hash);
}