isclosed ( path ) → booleanIs path closed?
isclosed(path '((0,0),(1,1),(2,0))') → t
Is path closed?
isclosed ( path ) → booleanIs path closed?
isclosed(path '((0,0),(1,1),(2,0))') → t
Definition snapshot: 2026-09-14T13:14:25.684213+00:00@99e6866c · English manual source