8 to 3 Line Encoder using Task

/*
8 to 3 Line Encoder using Task
*/
module ENC8TO3TASK (
    input [7:0] in,
    output [2:0] out);

always@(*)
    taskenc8to3(in, out);


task taskenc8to3;

    input [7:0] IN;
    output reg [2:0] OUT;

    if(IN == 8'b0000_0001) OUT = 0;
    else if(IN == 8'b0000_0010) OUT = 1;
    else if(IN == 8'b0000_0100) OUT = 2;
    else if(IN == 8'b0000_1000) OUT = 3;
    else if(IN == 8'b0001_0000) OUT = 4;
    else if(IN == 8'b0010_0000) OUT = 5;
    else if(IN == 8'b0100_0000) OUT = 6;
    else if(IN == 8'b1000_0000) OUT = 7;

endtask

endmodule