nus/cs2030s/labs/Lab6/Not.java

25 lines
416 B
Java

/**
* Represents the Not type, a conditional which inverts the given input.
*/
class Not implements Cond {
private Cond val;
public Not(Cond val) {
this.val = val;
}
@Override
public boolean eval() {
return !this.val.eval();
}
@Override
public String toString() {
return "!(" + this.val + ")";
}
@Override
public Cond neg() {
return this.val;
}
}