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+// Test implicit port connections
+module alu (input [2:0] a, input [2:0] b, input cin, output cout, output [2:0] result);
+ assign cout = cin;
+ assign result = a + b;
+endmodule
+
+module named_ports(output [2:0] alu_result, output cout);
+ wire [2:0] a = 3'b010, b = 3'b100;
+ wire cin = 1;
+
+ alu alu (
+ .a(a),
+ .b, // Implicit connection is equivalent to .b(b)
+ .cin(), // Explicitely unconnected
+ .cout(cout),
+ .result(alu_result)
+ );
+endmodule
+