42. Equality Operators

== is logical equality. === is case equality as in, it checks x/z also.

module x_detector (
    input  [1:0] a,
    output       eq_logic,
    output       eq_case
);
    // TODO: implement both comparisons
assign eq_logic = (a == 2'bx1);
assign eq_case = (a === 2'bx1);
endmodule