Clojure core

clojure
- core
  - protocols
  - reducers
  - server
- data
- datafy
- edn
- inspector
- instant
- java
  - browse
  - io
  - javadoc
  - process
  - shell
- main
- math
- pprint
- reflect
- repl
  - deps
- set
- stacktrace
- string
- template
- test
  - junit
  - tap
- walk
- xml
- zip

core.async

clojure
- core
  - async

core.logic

clojure
- core
  - logic
    - fd
    - pldb

data.csv

clojure
- data
  - csv

spec.alpha

clojure
- spec
  - alpha

tools.build

clojure
- tools
  - build
    - api

tools.deps

clojure
- tools
  - deps
    - interop

first

clojure.core

Available since 1.0 (source)

(first coll)

Returns the first item in the collection. Calls seq on its
  argument. If coll is nil, returns nil.

© Rich Hickey. All rights reserved. Eclipse Public License 1.0