66. Demultiplexer

How do you plan to solve it?

/*Write your code here*/
module demux1to4(
    input d,
    input [1:0] s,
    output [3:0] y
);
generate 
    genvar i;
    for(i=0;i<4;i=i+1) begin 
        assign y[i]=(s==i)?d:1'b0;
    end
endgenerate
endmodule