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

count

clojure.core

Available since 1.0 (source)

(count coll)

Returns the number of items in the collection. (count nil) returns
0.  Also works on strings, arrays, and Java Collections and Maps

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