Formal Scalar Types
Author: JTC1/SC22/WG9/ARG, by Randall Brukardt, ARG Editor

Ada Reference Manual — Legal Information

# 12.5.2 Formal Scalar Types

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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

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formal_discrete_type_definition ::= (<>)
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formal_signed_integer_type_definition ::= range <>
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formal_modular_type_definition ::= mod <>
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formal_floating_point_definition ::= digits <>
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formal_ordinary_fixed_point_definition ::= delta <>
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formal_decimal_fixed_point_definition ::= delta <> digits <>

#### Legality Rules

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The actual type for a formal scalar type shall not be a nonstandard numeric type.
NOTES
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12 The actual type shall be in the class of types implied by the syntactic category of the formal type definition (see 12.5, “Formal Types”). For example, the actual for a formal_modular_type_definition shall be a modular type.

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