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Fix grammar in Appendix C...

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Discussion: Make base class destructors public and virtual, or protected and nonvirtual
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Jordan Harris 2015-11-20 14:00:57 -05:00
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@ -13498,7 +13498,7 @@ In summary, no post-construction technique is perfect. The worst techniques dodg
### <a name="Sd-dtor"></a> Discussion: Make base class destructors public and virtual, or protected and nonvirtual
Should destruction behave virtually? That is, should destruction through a pointer to a `base` class should be allowed? If yes, then `base`'s destructor must be public in order to be callable, and virtual otherwise calling it results in undefined behavior. Otherwise, it should be protected so that only derived classes can invoke it in their own destructors, and nonvirtual since it doesn't need to behave virtually virtual.
Should destruction behave virtually? That is, should destruction through a pointer to a `base` class be allowed? If yes, then `base`'s destructor must be public in order to be callable, and virtual otherwise calling it results in undefined behavior. Otherwise, it should be protected so that only derived classes can invoke it in their own destructors, and nonvirtual since it doesn't need to behave virtually virtual.
##### Example