op/3

Description

op(Precedence, Associativity, Operator)

Declares operators. Operators declared inside objects and categories have local scope. Global operators can be declared inside a source file by writing the respective directives before the entity opening directives.

Template and modes

op(+integer, +associativity, +atom_or_atom_list)

Examples

:- op(950, fx, +).
:- op(950, fx, ?).
:- op(950, fx, @).
:- op(950, fx, -).