Ada Reference Manual (Ada 2022)
12.5.2 Formal Scalar Types
A formal scalar type is one defined by any of the formal_type_definitions in this subclause. The category determined for a formal scalar type is the category of all discrete, signed integer, modular, floating point, ordinary fixed point, or decimal types.
Syntax
formal_discrete_type_definition ::= (<>)
formal_signed_integer_type_definition ::= range <>
formal_modular_type_definition ::= mod <>
formal_floating_point_definition ::= digits <>
formal_ordinary_fixed_point_definition ::= delta <>
formal_decimal_fixed_point_definition ::= delta <> digits <>
Legality Rules
The actual type for a formal scalar type shall not be a nonstandard numeric type.
