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:- op(1000, xfy, and).


:- category(flatting).

	:- info([
		version is 1:1:0,
		author is 'Victor Lagerkvist',
		date is 2025-10-06,
		comment is 'Flattens conjunction of goals with the form f and g into a list [f,g].',
		source is 'Based on source code from The Craft of Prolog, by Richard O''Keefe.'
	]).

	:- protected(flatten_goals//1).
	:- mode_non_terminal(flatten_goals(+callable), one).
	:- info(flatten_goals//1, [
		comment is 'Flattens a conjunction of goals.',
		argnames is ['Conjunction']
	]).

	flatten_goals((G1 and G2)) -->
		!,
		flatten_goals(G1),
		flatten_goals(G2).
	flatten_goals(true) -->
		!,
		[].
	flatten_goals(G) -->
		[G].

:- end_category.