1((function sin 2 (signature float 3 (parameters 4 (declare (in) float angle)) 5 ((return (expression float sin (var_ref angle))))) 6 7 (signature vec2 8 (parameters 9 (declare (in) vec2 angle)) 10 ((return (expression vec2 sin (var_ref angle))))) 11 12 (signature vec3 13 (parameters 14 (declare (in) vec3 angle)) 15 ((return (expression vec3 sin (var_ref angle))))) 16 17 (signature vec4 18 (parameters 19 (declare (in) vec4 angle)) 20 ((return (expression vec4 sin (var_ref angle))))) 21)) 22