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by tonyg 2741 days ago
The analogous would be the Go-style represent-a-sum-badly-as-a-product,

  struct nonzero_t {
    int is_negative;
    unsigned int one_less_than_the_absolute_value;
  };
which, under interpretation, ranges from -(2^32) to -1 and +1 to +(2^32).