package yojson

  1. Overview
  2. Docs
Yojson is an optimized parsing and printing library for the JSON format

Install

Dune Dependency

Authors

Maintainers

Sources

v1.4.1.tar.gz
sha256=c081a8cb5a03bddbcac4614f468cf5edafe11805277572af4071e362be6611fb
md5=3ea6e36422dd670e8ab880710d5f7398

Description

It addresses a few shortcomings of json-wheel including 2x speedup, polymorphic variants and optional syntax for tuples and variants.

ydump is a pretty-printing command-line program provided with the yojson package.

The program atdgen can be used to derive OCaml-JSON serializers and deserializers from type definitions.

Published: 24 Feb 2018

README

Yojson: JSON library for OCaml

Library documentation

Currently at https://mjambon.github.io/mjambon2016/yojson-doc/Yojson.html

The link above is for the ocamldoc-generated of some past version of yojson. Suggestions on how to keep this documentation updated automatically for each minor release are welcome.

Design goals

  • reducing inter-package dependencies by the use of polymorphic variants for the JSON tree type
  • allowing variants of the JSON tree type to be shipped by the library itself or to be easily created as extensions of the library
  • allowing type-aware serializers/deserializers such as json-static to read and write directly without going through a JSON tree, for efficiency purposes. This requires making readers and writers of JSON atoms (int, string, etc.) to be exported and composable.
  • providing a few non-standard, optional extensions of JSON. These extensions will include:

    • optional quotes around "simple" field/constructor names
    • a syntax for tuples (at least 2 elements): (x, y)
    • a syntax for variants (0 or 1 arg only): <Foo> <Bar:"abc">

Other choices already in json-wheel

  • distinction between ints and floats (optional)
  • Getting rid of the UTF-X encoding constraint that prevents from exchanging binary data:

    • encoding is ASCII except for the contents of string literals
    • string literals may represent arbitrary sequence of bytes
    • \uABCD escapes in string literals expand to UTF-8

Miscellaneous

  • no dependency on ocamlnet for UTF-8

Dependencies (5)

  1. biniou >= "1.2.0"
  2. easy-format
  3. cppo build
  4. jbuilder >= "1.0+beta7"
  5. ocaml >= "4.02.3"

Dev Dependencies

None

  1. 0install < "2.18"
  2. archetype < "1.2.5"
  3. atdgen < "2.2.1"
  4. atdgen-runtime < "2.2.1"
  5. aws-s3 < "4.5.1" | >= "4.8.0"
  6. bap-radare2
  7. bitcoin < "3.0"
  8. boulangerie
  9. builder-web >= "0.2.0"
  10. calculon < "0.6"
  11. calculon-redis-lib
  12. camels
  13. canary
  14. cb-check
  15. cbor < "0.3"
  16. cconv-ppx
  17. colibrics
  18. comby
  19. comby-kernel
  20. comby-semantic
  21. containers >= "3.9"
  22. current_docker
  23. current_git
  24. current_github
  25. current_gitlab
  26. current_slack
  27. current_ssh
  28. dap
  29. daypack-lib
  30. dblp-api
  31. decoders-yojson < "0.7.0"
  32. devkit < "1.2"
  33. disml
  34. docker-api < "0.2.2"
  35. dream
  36. dream-inertia
  37. frama-c < "23.0"
  38. fred
  39. fstar
  40. gdbprofiler < "0.4"
  41. gemini < "0.3.0"
  42. github < "4.1.0"
  43. goblint-cil >= "1.8.0"
  44. graphql < "0.14.0"
  45. graphql_ppx < "1.2.2"
  46. h2
  47. hilite < "0.3.0"
  48. hl_yaml
  49. hockmd
  50. hpack
  51. hsluv
  52. index-bench
  53. irmin-graphql
  54. irmin-tezos
  55. jhupllib < "0.2.2"
  56. js_of_ocaml-compiler < "5.9.0"
  57. json-rpc
  58. json_decoder
  59. jsondiff
  60. jsonrpc < "1.6.0"
  61. jsonschema
  62. jsonschema2atd
  63. jupyter < "2.7.0"
  64. jupyter-kernel < "0.5"
  65. jwt
  66. jwto < "0.2.0"
  67. karamel
  68. kind2
  69. kremlin < "transition"
  70. kubecaml
  71. learn-ocaml
  72. lsp
  73. monorobot
  74. morbig < "0.10.4"
  75. nsq
  76. obuilder < "0.4"
  77. ocaml-lsp-server
  78. ocaml-protoc-plugin >= "6.1.0"
  79. ocaml-protoc-yojson
  80. odoc = "2.1.1"
  81. oframl
  82. ogen
  83. oidc
  84. openai-gym
  85. oraft
  86. orun
  87. ozulip
  88. pds-reachability < "0.2.3"
  89. petr4
  90. phylogenetics = "0.2.0"
  91. pkcs11 < "1.0.0"
  92. plist
  93. podge
  94. ppx_deriving_jsonschema
  95. ppx_yojson < "1.0.0"
  96. prof_spacetime
  97. qmp < "0.19.0"
  98. quests
  99. r2pipe
  100. radare2
  101. rdf < "0.12.0"
  102. records < "1.0.0"
  103. repr-bench
  104. rungen
  105. SZXX
  106. safemoney
  107. satyrographos
  108. savvy
  109. semver2
  110. sentry
  111. slack
  112. slacko
  113. slug
  114. spotify-web-api
  115. stitch
  116. swagger
  117. tdigest < "2.1.0"
  118. telegraml
  119. textrazor < "0.1.1"
  120. tezos-context-hash-irmin
  121. vecosek
  122. vecosek-scene
  123. vercel
  124. vscoq-language-server
  125. wamp < "1.0"
  126. wamp-yojson
  127. webauthn
  128. xapi-rrd >= "1.9.0"

Conflicts (1)

  1. dune >= "1.7.0"
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