Why use prefixes on member variables in C++ classes

Question

A lot of C++ code uses syntactical conventions for marking up member variables. Common examples include

• m_memberName for public members (where public

Answer 1

Others try to enforce using this->member whenever a member variable is used

That is usually because there is no prefix. The compiler needs enough information to resolve the variable in question, be it a unique name because of the prefix, or via the this keyword.

So, yes, I think prefixes are still useful. I, for one, would prefer to type '_' to access a member rather than 'this->'.