void operator()(
rapidjson::GenericValue<Encoding, Allocator>& rjv,
Allocator& alloc,
char v
) const { rjv.SetString(&v, 1, alloc); }
void operator()(
rapidjson::GenericValue<Encoding, Allocator>& rjv,
Allocator& alloc,
const char* v
) const { rjv.SetString(v, (N>0 && v[N-1])?N:N-1, alloc); }