int F0(in vec2 l0); int F1(in vec2 l0); int F0(in vec2 l0) { int l1[2]; l1[0] = 0; l1[1] = 0; return 2; } int F1(in vec2 l0) { int l1[3]; l1[0] = 0; l1[1] = 0; l1[2] = 0; return 3; }