/// <summary>
/// Gets a hash code for the current instance.
/// </summary>
/// <returns>A hash code.</returns>
/// <remarks>The hash code is based on the uppercase, invariant hash of the
/// <see cref="ToString()">text representation</see> of the object.</remarks>
public override int GetHashCode()
{
var hashes = new List <int>(4);
if (GroupVersion != null)
{
hashes.Add(GroupVersion.Value.GetHashCode());
}
if (MajorVersion != null)
{
hashes.Add(MajorVersion.Value.GetHashCode());
hashes.Add(ImpliedMinorVersion.GetHashCode());
}
if (!IsNullOrEmpty(Status))
{
hashes.Add(StringComparer.OrdinalIgnoreCase.GetHashCode(Status));
}
var hash = hashes[0];
for (var i = 1; i < hashes.Count; i++)
{
hash = (hash * 397) ^ hashes[i];
}
return(hash);
}
/// <summary>
/// Gets a hash code for the current instance.
/// </summary>
/// <returns>A hash code.</returns>
/// <remarks>The hash code is based on the uppercase, invariant hash of the
/// <see cref="ToString()">text representation</see> of the object.</remarks>
public override int GetHashCode()
{
// perf: api version is used in a lot sets and as a dictionary keys
// since it's immutable, calculate the hash code once and reuse it
if (hashCode != default)
{
return(hashCode);
}
var hashes = new List <int>(capacity: 4);
if (GroupVersion != null)
{
hashes.Add(GroupVersion.Value.GetHashCode());
}
if (MajorVersion != null)
{
hashes.Add(MajorVersion.Value.GetHashCode());
hashes.Add(ImpliedMinorVersion.GetHashCode());
}
if (!IsNullOrEmpty(Status))
{
hashes.Add(StringComparer.OrdinalIgnoreCase.GetHashCode(Status));
}
var hash = hashes[0];
for (var i = 1; i < hashes.Count; i++)
{
hash = (hash * Prime) ^ hashes[i];
}
return(hashCode = hash);
}