13 lines
450 B
Ada
13 lines
450 B
Ada
package Inheritance is
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type Animal is tagged private;
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type Dog is new Animal with private;
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type Cat is new Animal with private;
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type Lab is new Dog with private;
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type Collie is new Dog with private;
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private
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type Animal is tagged null record;
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type Dog is new Animal with null record;
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type Cat is new Animal with null record;
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type Lab is new Dog with null record;
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type Collie is new Dog with null record;
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end Inheritance;
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