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list keep
Chris Petersen edited this page Oct 16, 2014
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1 revision
list-keep returns list element(s) that meet condition.
| Parameter | Description |
|---|---|
| lst | List to operate on |
| cnd | Condition for a list item to be kept |
Example 1: Retrieve all values <=3 from a list
> (list-keep (list 7 1 8 2 9 3 2 5) (lambda (l) (<= l 3)))
(1 2 3 2)
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- accelerometer
- alist
- audio
- audioaux
- base64
- btle-scan
- camera
- cdb
- cgi
- config
- csv
- curl
- digest
- dmtx
- download
- eventloop
- fcgi
- fft
- generalized-arrays
- gps
- graph
- gyro
- hidapi
- hpdf
- html
- httpsclient
- hybridapp
- json
- lmdb
- ln_core
- ln_glcore
- ln_glgui
- ln_store
- localization
- localization_gui
- localnotification
- magnetometer
- mdns
- mqtt
- mqtt-store
- multitouch
- oauth
- orientation
- p256ecdsa
- png
- portaudio
- pregexp
- pressure
- prime
- pushnotification
- redcap
- rsa
- rtaudio
- rupi
- rotation
- sanestring
- scheduler
- serial
- sets
- settings
- simplexnoise
- sqlite
- ssax
- syntax-case
- timestamp
- ttf
- uiform
- url
- uuid
- vibrate
- videoplayer
- watchdog
- website
- xml
- zip