unitsize(1cm); // 4 TYPES de tête de flèche draw((0,0)--(2,2),Arrow); // TYPE 1 draw((1,0)--(3,2),Arrow(SimpleHead)); // TYPE 2 draw((2,0)--(4,2),Arrow(HookHead)); // TYPE 3 draw((3,0)--(5,2),Arrow(TeXHead)); // TYPE 4 shipout(bbox(5mm,white));