CLE - Complex Loop Expressions

Avoid using complex expressions as repeat conditions within loops.

Wrong

void oper () {
    for (int i = 0; i < vector.size(); i++) {
        // do something
    }
    int size = vector.size();
    for (int i = 0; i < size; i++) {
        // do something
    }
}

Tip: Assign the expression to a variable before the loop and use that variable instead.

Right

void oper () {
    int size = vector.size();
    for (int i = 0; i < size; i++) {
        // do something
    }
    int size = vector.size();
    for (int i = 0; i < size; i++) {
        // do something
    }
}