7.7.1.7. GEL if and if-else Statements

GEL supports the standard C if and if-else statements. The general form is:

if (expression) statement1;

if (expression)
statement1;
else
statement2;

In the first form, the expression is evaluated. If the expression is true (unequal to 0), statement1 is executed. In the second form, statement2 is executed if the value of the expression is 0 (zero). Each statement can be a single statement or several statements in braces.

if (a == 25)
b = 30;

if (b == 20)
{
    a = 30;
    c = 30;
}
else
{
    d = 20;
}