Item-38 Model 'has-a' or 'is-implemented-in-terms-of' through composition
· โ 2 min read
In the application domain, composition means has-a. In the implementation domain, it means is-implemented-in-terms-of.
Item-37 Never redefine a function's inherited default parameter value
· โ 4 min read
Defaul parameter values are statically bound, while virtual function - the only functions we should be overriding - are dynamically bound.
Item-36 Never redefine an inherited non-virtaul function
· โ 2 min read
A generalized basic rule from item 7.
Item-35 Consider Alternatives to Virtual Functions
· โ 7 min read
Alternatives to virtual functions include the NVI idiom (as an example of the Template Method design pattern) and various forms of the Strategy design pattern.
Item-34 Differentiate between inheritance of interface and inheritance of implementation
· โ 6 min read
Inheritance of interface is different from inheritance of implementatino.
