internal static int ArgPrecedence(Type t) {
Type objectType = typeof(Object);
if (t == objectType) return 3000;
TypeCode tc = Type.GetTypeCode(t);
if (tc == TypeCode.Object) return 1;
if (tc == TypeCode.UInt64) return 10;
if (tc == TypeCode.UInt32) return 11;
if (tc == TypeCode.UInt16) return 12;
if (tc == TypeCode.Int64) return 13;
if (tc == TypeCode.Int32) return 14;
if (tc == TypeCode.Int16) return 15;
if (tc == TypeCode.Char) return 16;
if (tc == TypeCode.SByte) return 17;
if (tc == TypeCode.Byte) return 18;
if (tc == TypeCode.Single) return 20;
if (tc == TypeCode.Double) return 21;
if (tc == TypeCode.String) return 30;
if (tc == TypeCode.Boolean) return 40;
if (t.IsArray) {
Type e = t.GetElementType();
if (e == objectType)
return 2500;
return 100 + ArgPrecedence(e);
}
return 2000;
}