| Haskell | Java | Scala | Groovy | Clojure | Python | R | |
|---|---|---|---|---|---|---|---|
| map | <$> |
map |
map |
collect |
map |
||
| flatMap | >>=1 |
flatMap |
flatMap |
mapcat |
|||
| filter | filter |
filter |
filter |
findAll |
filter |
||
| reduce | fold |
reduce |
foldLeft / reduceLeft |
inject |
reduce |
||
| zip | zip |
zip |
transpose |
* | transpose |
||
| unzip | unzip |
unzip |
1 pronounced ‘bind’. Found in Haskell logo.