2207.p4

#include <core.p4>
#include <v1model.p4>

header H {
    bit<8> a;
    bit<8> b;
}

struct Headers {
    H    h;
}

struct Meta {
}

parser p(packet_in pkt, out Headers hdr, inout Meta m, inout standard_metadata_t sm) {
    state start {
        transition accept;
    }
}

control ingress(inout Headers h, inout Meta m, inout standard_metadata_t sm) {

    apply {
        h.h.a = ~(0 << 8w1);

    }
}

control vrfy(inout Headers h, inout Meta m) { apply {} }

control update(inout Headers h, inout Meta m) { apply {} }

control egress(inout Headers h, inout Meta m, inout standard_metadata_t sm) { apply {} }

control deparser(packet_out b, in Headers h) { apply {} }

V1Switch(p(), vrfy(), ingress(), egress(), update(), deparser()) main;