Abstract type: Difference between revisions
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In Genyris by default there are no constructors. In effect all classes are Abstract until they are used to tag an object. |
In Genyris by default there are no constructors. In effect all classes are Abstract until they are used to tag an object. |
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<lang python>class Stack()</lang> |
<lang python>class Stack()</lang> |
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There is no constructor for |
There is no constructor for this class. To prevent the class ever being associated with an instance it suffices to force the validator to fail. |
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<lang python>class Stack() |
<lang python>class Stack() |
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def !valid?(object) nil |
def !valid?(object) nil |
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