Consider the Verilog code in Figure P4.2. What type of circuit does the code represent? Comment on whether or not the style of code used is a good choice for the circuit that it represents.

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module problem4_18 (W, En, y0, y1, y2, y3); input [1:0] W; input En; output reg y0, y1, y2, y3; always @(W, En) begin y0 = 0; yl = 0; y2 = 0; y3 = 0; if (En) end if (W == 0) y0 = 1; else if (W == 1) else if (W == 2) else y3 = 1; endmodule yl = 1; y2 = 1;