a = true;
b = false;
c = undef;
d = a;
e = $fn;
f1 = [1];
f2 = [1, 2, 3];
g = ((f2.x + f2.y) + f2.z);
h1 = [2 : 5];
h2 = [1 : 2 : 10];
i = ((h2.begin - h2.step) - h2.end);
j = "test";
k = 0.0123;
l = (a * b);
m = (a / b);
n = (a % b);
o = (c < d);
p = (c <= d);
q = (c == d);
r = (c != d);
s = (c >= d);
t = (c > d);
u = (e && g);
v = (e || g);
w = i;
x = -i;
y = !i;
z = j;
aa = (k ? l : m);
bb = n[o];