With_field_name_duplicate_checks is a subset of
Encoding where all the constructed objects are checked for duplicates.
Note that the analysis can include false positives: it might fail on encodings which will never serialise a value with duplicate fields. Still, these false positives are uncommon and we recommend you use these combinators when relevant.
let e = let open Data_encoding in let open Data_encoding.With_field_name_duplicate_checks in …