public bool Equals(ImmutableGroup <TObject, TKey, TGroupKey>?other)
{
if (ReferenceEquals(this, other))
{
return(true);
}
return(other is not null && EqualityComparer <TGroupKey?> .Default.Equals(Key, other.Key));
}
public bool Equals(ImmutableGroup <TObject, TKey, TGroupKey> other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(EqualityComparer <TGroupKey> .Default.Equals(Key, other.Key));
}