6.1.1 Enumeration representation - JulTob/Ada GitHub Wiki
The representation clause (the numeric value) can be stablished with a clause.
type Day is
(Monday,
Tuesday,
Wednesday,
Thursday,
Friday,
Saturday,
Sunday);
for Day use
(Monday => 10,
Tuesday => 11,
Wednesday => 12,
Thursday => 13,
Friday => 14,
Saturday => 15,
Sunday => 16);