11.3.67 dynamic/1 [ISO,declaration]

Synopsis

:- dynamic +PredSpec

Declares the clauses of the predicates defined by PredSpecs to be dynamic.

Arguments

:PredSpec

pred_spec_forest, must be ground

A predicate specification, or a list of such, or a sequence of such separated by commas.

Comments

dynamic is not an ISO predefined prefix operator.

To declare a grammar rule gram/n dynamic, the arity of PredSpec must be n+2.

Exceptions

type_error

context_error

“declaration appeared in query”

permission_error

Cannot redefine built-in predicate.

See Also

Dynamic Declarations.