The unary plus is a unary operator that returns the positive value of the result of the expression.
+[(]expression[)]
The operand for the unary plus operator (+) must be arithmetic type. The unary operator is placed before an operand, linking from the right to the left.
Specifying the positive unary operator for a negative value will return a negative value. Specifying the negative operator for a negative value will return a positive value.
const integer NG_END = +1; // Statement in the DEFINE section
sloopcnt = +(sloopmin - sloopmax); // Statement in the MAIN section