# rule-of-two-soft Finds places where: 1. You're calling a trivial copy-ctor of a class which has a non-trivial copy-assignment operator 2. You're calling a trivial copy-assignment operator of a class which has a non-trivial copy-ctor It won't warn on classes that violate the rule of two unless you actually use the copy-ctor or the copy-assignment operator, otherwise it will generate lots of warnings. If you're really interested in all warnings, see the *rule-of-three* check instead of *rule-of-two-soft*. Beware that removing copy-ctors or copy-assignment operators might make the class trivially copiable, which is not ABI compatible.
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