Author: Dave Gomboc
Date: 12:56:19 12/25/02
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On December 25, 2002 at 15:38:19, Matt Taylor wrote: >>Overloading costs nothing, it's a compile time construct and is resolved at >>compile/link time. >>Inheritance costs nothing, it too is a compile/link time issue. >>You know nothing about C++, do you? I didn't think so. > >Overloading costs an indirect function call. I'm not sure if you can apply const >to a class like you can apply final to one in Java, but unless the compiler >knows the class can't be inherited from, it has to make the operator an indirect >function call. Calling a class const in C++ means something else, but a C++ compiler can (and some do) figure out which classes are at the bottom of the inheritance hierarchy at compile-time. (Unlike with Java, this isn't mutable at run-time.) Dave
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