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Enforcement rule for I.3: Avoid singletons

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Proposal revised as agreed in #266.
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Eliyahu Ravuna 2015-11-02 22:08:31 +02:00
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@ -1042,6 +1042,7 @@ Very hard in general.
* Look for classes with names that include `singleton`.
* Look for classes for which only a single object is created (by counting objects or by examining constructors).
* If a class X has a public static function that contains a function-local static of the class' type X and returns a pointer or reference to it, ban that.
### <a name="Ri-typed"></a> I.4: Make interfaces precisely and strongly typed