42. Equality Operators

How do you plan to solve it?

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