Split from #23 Light-up usage of `CompareTo` and `Equals` for spans of chars to make natural string comparisons allocation-free on .NET Core 2.1+. Light-up `GetHashCode` for spans of chars to make it allocation-free on .NET Core 3.0+.
Split from #23
Light-up usage of
CompareToandEqualsfor spans of chars to make natural string comparisons allocation-free on .NET Core 2.1+.Light-up
GetHashCodefor spans of chars to make it allocation-free on .NET Core 3.0+.