public static void Maybe <K, V>(Action <V, K> action, K key, ImMap <K, V> map)
{
if (!map.Has(key))
{
return;
}
action(map[key], key);
}
public static T Maybe <K, V, T>(Func <V, K, T> action, K key, ImMap <K, V> map)
{
if (!map.Has(key))
{
return(default(T));
}
return(action(map[key], key));
}
private ImMap <string, LocatorTarget> GetTargetList(
string domain,
ImMap <string, ImMap <string, LocatorTarget> > registrationList
)
{
if (!registrationList.Has(domain))
{
return(Im.Map <LocatorTarget>());
}
return(RegistrationList[domain]);
}
private LocatorTarget GetTargetFromTargetList(
string address,
ImMap <string, LocatorTarget> targetList
)
{
if (!targetList.Has(address))
{
// MEMO: do error handling inside a plug
return(new LocatorTarget());
}
return(targetList[address]);
}