Exceptional C++ Style 40 New Engineering Puzzles, Programming Problems, and Solutions

Chapter 35. Generic Callbacks

Difficulty: 5

Part of the allure of generic code is its usability and reusability in as many kinds of situations as reasonably possible. How can the simple facility presented in the cited article be stylistically improved, and how can it be made more useful than it is and really qualify as generic and widely usable code?

JG Question

1. What qualities are desirable in designing and writing generic facilities? Explain.

Guru Question

1. The following code presents an interesting and genuinely useful idiom for wrapping callback functions. For a more detailed explanation, see the original article. [Kalev01]

   Critique this code and identify:

   1. Stylistic choices that could be improved to make the design better for more idiomatic C++ usage. ...