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Constraint
1 module top; 2 class PacketBase; 3 rand bit [7:0] src; 4 rand bit [5:0] len; 5 rand bit [7:0] payld [ ]; 6 constraint payload_size {payld.size > 0; payld.size < 15;} 7 endclass 8 class EtherPacket extends PacketBase; 9 constraint