Definition: out(idx) / out(idx) = expr — Allowed: numeric expressions for idx/expr; Not allowed: using out as a variable name.
Reads a digital output state (1-based index in scripts). Use assignment to drive outputs: out(idx) = expr.
// Mirror input 1 to output 1
if (in(1)) {
out(1) = 1;
} else {
out(1) = 0;
}