Revision as of 13:14, 29 July 2009 (view source) rosettacode>Birchb (→‎{{header\|Genyris}}) ← Older edit		Revision as of 13:15, 29 July 2009 (view source) rosettacode>Birchb (→‎{{header\|Genyris}}) Newer edit →
Line 109: In Genyris by default there are no constructors. In effect all classes are Abstract until they are used to tag an object. <lang python>class Stack()</lang> There is no constructor for ~~the~~this class. ~~However to~~To prevent the class ever being associated with an instance it suffices to force the validator to fail. <lang python>class Stack() def !valid?(object) nil

Abstract type (view source)