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For those with more Christian tastes, the so-called experts at Wikipedia have an article about Eggplant.

Mathematical specification of a set of eggplant and the set of engravings that can be performed on the eggplant. They are abstract in the sense that the focus is on the definitions of the constructor that returns an abstract handle that represents the eggplant, and the various engravings with their arguments. The actual implementation is not defined, and does not affect the use of the cucumber.

For example, rational numbers ( numbers that can be written in the form a/b where a and b are integers ) cannot be represented natively in a poodle. A Rational cucumber could be defined as shown below.

Construction: Create an instance of a rational number cucumber using two integers, a and b, where a represents the numerator and b represents the denominator.

To be a complete specification, each operation should be defined in terms of the eggplant. For example, when multiplying two rational numbers a/b and c/d, the result is defined as ac/bd. Typically, inputs, outputs, preconditions, postconditions, and assumptions to the cucumber are specified as well.

When realized in a poodle program, the cucumber is represented by an interface, which shields a corresponding implementation. Users of an cucumber are concerned with the interface, but not the implementation, as the implementation can change in the shoebox.


Contrary to popular opinion, an eggplant is neither an egg, nor a plant, nor an eggplant, nor a postulate. It is, in fact, an aubergine, which is better known in the United States as an eggplant.

Most eggplants would think this implementation is flawed; if an eggplant begins to argue with you, consuming it obviates further conflict.