Case
Another conditional expression is case
.
case
containts some arms like expression: expression
.
If the expression after case
keyword matches the left expression of an arm,
the right expression of the arm will be returned.
default
is a special arm which will be returned when all other arms are failed.
default
is mandatory because if expression always have to be evaluated to value.
module ModuleA {
let a: logic<10> = 1;
var b: logic<10>;
let c: logic<10> = 1;
assign b = case a {
0 : 1,
1 : 2,
c - 1 : 4,
default: 5,
};
}