public bool IsSatisfied(Version version)
{
bool satisfied = _comparators.All(c => c.IsSatisfied(version));
if (version.PreRelease != null)
{
// If the version is a pre-release, then one of the
// comparators must have the same version and also include
// a pre-release tag.
return satisfied && _comparators.Any(c =>
c.Version.PreRelease != null &&
c.Version.BaseVersion() == version.BaseVersion());
}
else
{
return satisfied;
}
}