static T Get <T>(Dictionary <Type, Dictionary <string, Dictionary <int, T> > > dict, Type type, string name, Type[] arguments, Func <T> fetcher)
{
if (dict.TryGetValue(type, out var valuesByName) is false)
{
valuesByName = new Dictionary <string, Dictionary <int, T> >();
dict[type] = valuesByName;
}
if (valuesByName.TryGetValue(name, out var valuesByArgument) is false)
{
valuesByArgument = new Dictionary <int, T>();
valuesByName[name] = valuesByArgument;
}
var argumentsHash = AccessTools.CombinedHashCode(arguments);
if (valuesByArgument.TryGetValue(argumentsHash, out var value) is false)
{
value = fetcher();
valuesByArgument[argumentsHash] = value;
}
return(value);
}
