EDN

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EDN, aka Extensible Data Notation, is an open source data notation created in 2012.

Source code:

git clone https://github.com/edn-format/edn

#217on PLDB

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Extensible Data Notation

EDN is developed on GitHub and has 2,351 stars
EDN docs
There are at least 0 EDN repos on GitHub
EDN first developed in https://github.com/edn-format
file extensions for EDN include edn
GitHub supports syntax highlighting for EDN

Example from the web:

{:a 1, "foo" :bar, [1 2 3] four}

Example from Linguist:

[{:db/id #db/id [db.part/db]
  :db/ident :object/name
  :db/doc "Name of a Solar System object."
  :db/valueType :db.type/string
  :db/index true
  :db/cardinality :db.cardinality/one
  :db.install/_attribute :db.part/db}
 {:db/id #db/id [db.part/db]
  :db/ident :object/meanRadius
  :db/doc "Mean radius of an object."
  :db/index true
  :db/valueType :db.type/double
  :db/cardinality :db.cardinality/one
  :db.install/_attribute :db.part/db}
 {:db/id #db/id [db.part/db]
  :db/ident :data/source
  :db/doc "Source of the data in a transaction."
  :db/valueType :db.type/string
  :db/index true
  :db/cardinality :db.cardinality/one
  :db.install/_attribute :db.part/db}]
[{:db/id #db/id [db.part/tx]
  :db/doc "Solar system objects bigger than Pluto."}
 {:db/id #db/id [db.part/tx]
  :data/source "http://en.wikipedia.org/wiki/List_of_Solar_System_objects_by_size"}
 {:db/id #db/id [db.part/user]
  :object/name "Sun"
  :object/meanRadius 696000.0}
 {:db/id #db/id [db.part/user]
  :object/name "Jupiter"
  :object/meanRadius 69911.0}
 {:db/id #db/id [db.part/user]
  :object/name "Saturn"
  :object/meanRadius 58232.0}
 {:db/id #db/id [db.part/user]
  :object/name "Uranus"
  :object/meanRadius 25362.0}
 {:db/id #db/id [db.part/user]
  :object/name "Neptune"
  :object/meanRadius 24622.0}
 {:db/id #db/id [db.part/user]
  :object/name "Earth"
  :object/meanRadius 6371.0}
 {:db/id #db/id [db.part/user]
  :object/name "Venus"
  :object/meanRadius 6051.8}
 {:db/id #db/id [db.part/user]
  :object/name "Mars"
  :object/meanRadius 3390.0}
 {:db/id #db/id [db.part/user]
  :object/name "Ganymede"
  :object/meanRadius 2631.2}
 {:db/id #db/id [db.part/user]
  :object/name "Titan"
  :object/meanRadius 2576.0}
 {:db/id #db/id [db.part/user]
  :object/name "Mercury"
  :object/meanRadius 2439.7}
 {:db/id #db/id [db.part/user]
  :object/name "Callisto"
  :object/meanRadius 2410.3}
 {:db/id #db/id [db.part/user]
  :object/name "Io"
  :object/meanRadius 1821.5}
 {:db/id #db/id [db.part/user]
  :object/name "Moon"
  :object/meanRadius 1737.1}
 {:db/id #db/id [db.part/user]
  :object/name "Europa"
  :object/meanRadius 1561.0}
 {:db/id #db/id [db.part/user]
  :object/name "Triton"
  :object/meanRadius 1353.4}
 {:db/id #db/id [db.part/user]
  :object/name "Eris"
  :object/meanRadius 1163.0}]

Feature	Supported	Token	Example
Sets	✓
Maps	✓
Lists	✓
Strings	✓
Integers	✓
Floats	✓
Comments	✓
Booleans	✓
Semantic Indentation	X

EDN - Data notation

Language features