"M�rio Amado Alves" <amado.alves@netcabo.pt> wrote in message > As for the
library size, the tendency is to
> recommend a maximum of 50
> lines per package spec. And the Bases requires Vectors, Lists and
> Tables (maps), but leaves open the inclusion of others.

I don't really see the point of such a recommendation - the
size of an spec is the size the problem demands. Ada.Strings.
Unbounded is >200 lines (after stripping comments and
context clauses) - because that's what the problem requires.