ychr-0.1.0.0: test/golden/extend_function_on_open_class/b_ext.chr

:- module(ext, []).
:- use_module(owner, [f/1]).

% Forbidden: extend_function targets an :- open_class. Use
% :- extend_class for equation extensions on :- open_class.
:- extend_function f(2) -> 2.