libyojson-ocaml-dev 2.2.1-1 (armhf binary) in ubuntu oracular

 Yojson is an optimized parsing and printing library for the JSON format.
 It addresses a few shortcomings of json-wheel including 3x speed
 improvement, polymorphic variants and optional syntax for tuples and
 variants.
 .
 It is a replacement for json-wheel (libjson-wheel-ocaml-dev).
 .
 This package contain the development files needed for programming
 with the library.