- Inline functions prevent the cost of function call. However, excessive overzealous inlining leads to code bloat, resulting in addition paging, reduced cache hit rate etc.
- Implicit inline request: when defining a function inside a class.
- Explicit inline request: when preceding function's definition with inline keyword.
- If f is a library function whose definition is subject to change in future, It should be linked at run-time(instead of making it inline). This way the changes will remain completely transparent to clients.
- Most debuggers have problems with inlining. So use inline for small functions only.
- Compiler inline some code in contructors and destructors. If they look empty or small, they may not be so.
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