[Exceptional C++ Style] Exceptional C++ Style - Item 24: ConstantOptimization

[Balog Pal]

> However, the difference between declaration and definition would seem
> to be a source of confusion for many. Has anyone got any experience of 
> this
> kind of guideline and whether in practice it helps or confuses?

IMHO it is a very rarae case when someone will match a function's signature 
in header and in the implementation file.     And when it happens that's the 
maintainer of the implementation who shall be in picture anyway.