Priority encoder verilog code

module prio_enco_8x3(d_out, d_in);

   output [2:0] d_out;
   input [7:0] d_in ;


assign d_out = (d_in[7] ==1'b1 ) ? 3'b111:
               (d_in[6] ==1'b1 ) ? 3'b110:
               (d_in[5] ==1'b1 ) ? 3'b101:
                 (d_in[4] ==1'b1) ? 3'b100:
                 (d_in[3] ==1'b1) ? 3'b011:
                 (d_in[2] ==1'b1) ? 3'b010:
                 (d_in[1] ==1'b1) ? 3'b001: 3'b000;

   endmodule