/// <summary>
/// Returns a hash code for this instance.
/// </summary>
/// <param name="obj">The object.</param>
/// <returns>
/// A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.
/// </returns>
public override int GetHashCode(byte[] obj)
{
// Null
if (obj == null)
{
return(FnvHashCode.FnvNull);
}
// Empty
if (obj.Length == 0)
{
return(FnvHashCode.FnvEmpty);
}
// Calculate on full length
var span = obj.AsSpan();
// Calculate on prefix
if (HashCodeFidelity > 0 && obj.Length > HashCodeFidelity)
{
span = span.Slice(0, HashCodeFidelity);
}
var hc = FnvHashCode.Combine(span);
return(hc);
}
/// <summary>
/// Returns a hash code for this instance.
/// </summary>
/// <param name="obj">The object.</param>
/// <returns>
/// A hash code for this instance, suitable for use in hashing algorithms and data structures like a hash table.
/// </returns>
public override int GetHashCode(ReadOnlyMemory <byte> obj)
{
// Empty
if (obj.Length == 0)
{
return(FnvHashCode.FnvEmpty);
}
// Calculate on full length
var span = obj.Span;
// Calculate on prefix
if (HashCodeFidelity > 0 && obj.Length > HashCodeFidelity)
{
span = span.Slice(0, HashCodeFidelity);
}
var hc = FnvHashCode.Combine(span);
return(hc);
}