public static PackageIdentity[] GetLatest(this PackageCollection packages, IVersionComparer versionComparer)
{
return(packages
.GroupBy(p => p.Id, p => p.Version, StringComparer.OrdinalIgnoreCase)
//max or default
.Select(g => new PackageIdentity(
g.Key,
g.OrderByDescending(v => v, versionComparer)
.FirstOrDefault()))
.ToArray());
}
