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From: hyrosen@mail.com (Hyman Rosen)
Newsgroups: comp.lang.ada
Subject: Re: What is faster Ada or C?
Date: 7 Dec 2001 12:02:12 -0800
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Richard Riehle <richard@adaworks.com> wrote in message news:<3C0EF345.47BCC09@adaworks.com>...
> Practically,  C++ inline functions are a bit of a nuisance since, in a class
> definition, one must fully code the implementation when in-lining.  That
> is, C++ inline requires one to trade off the practical benefits of separate
> compilation for the practical benefits of in-lined code.

In C++ it is perfectly legal to separate the declaration of a function
from its implementation, even when it's inline:

    struct a { int twice(int x); };
    inline int a::twice(int x) { return 2 * x; }

Any code which wants to call the function must arrange to see the definition,
which is usually done through an #include. In Ada, the compiler can manage to
find the definition on its own, because of the library system, but that's not
exactly "separate compilation".