> I think from a language standpoint, the general idea that nested > functions are just any functions inside functions (which is how the C > nested functions essentially behave) is too broad and they should be > restricted to minimal implementations that, e.g. don't have side-effects > or if they do, there's explicit syntactic sugar to make it clearer.
That sounds totally arbitrary though. Algol-derived languages have had nested subprograms for ages, e.g. Pascal or Ada, and they can be very useful. -- Eric Botcazou
