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Extra line of explanation on Abstract contracts.

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And why they're useful.
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Luca Ban 2018-05-09 19:28:55 +09:00 committed by GitHub
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docs/contracts.rst
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@ -1145,6 +1145,8 @@ Example of a Function Type (a variable declaration, where the variable is of typ
Abstract contracts decouple the definition of a contract from its implementation providing better extensibility and self-documentation and
facilitating patterns like the `Template method <https://en.wikipedia.org/wiki/Template_method_pattern>`_ and removing code duplication.
Abstract contracts are useful in the same way that defining methods in an Interface is useful. It's a way for the designer of the Abstract contract to say "any child of mine MUST implement this method".
.. index:: ! contract;interface, ! interface contract