4.5.4 Unary Adding Operators
Static Semantics
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{unary
adding operator} {operator
(unary adding)} {+
operator} {operator
(+)} {plus
operator} {operator
(plus)} {-
operator} {operator
(-)} {minus
operator} {operator
(minus)} The unary adding operators +
(identity) and – (negation) are predefined for every specific numeric
type
T with their conventional meaning. They have the following
specifications:
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function "+"(Right : T) return T
function "-"(Right : T) return T
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16 For modular integer types, the unary
adding operator –, when given a nonzero operand, returns the result
of subtracting the value of the operand from the modulus; for a zero
operand, the result is zero.
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