syntax = "proto3";

package pb;

message Arg {
    enum Type {
        I32    = 0;
        I64    = 1;
        U32    = 2;
        U64    = 3;
        F32    = 4;
        F64    = 5;
        String = 6;
        Bytes  = 7;
        Bool   = 8;
    }
    Type  type     = 1;
    bool  is_array = 2;
    bytes value    = 3;
}