Applied programming applied programming the first

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Unformatted text preview: nics of this. Applied Programming Applied Programming The first argument of each function is a reference The to the instance. to Hence void Write() const; becomes void Write(const TimeType&); void Write(const with all the protection usually afforded. Such functions which only look at the private data Such of a class are called of observer or accessor functions observer or (Those that change the contents are called mutator functions) But what if we want to access the private data of But another instance, for example, to compare their values? values? We pass it as an argument as in bool Equals(const TimeType&) const; Applied Programming What happened to the private nature of the data? W e are looking at it from another instance of the We same class. same So bool Equals(const TimeType&) const; gets one instance via the name before the gets function and the other via the argument. function Applied Programming W e've now got an interface for the class, stored in We've TimeType.h. Let's now loo...
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