lib/core/collection.egiΒΆ
- nth
nth 1 [1, 2, 3] ---> 1
- take
take 2 [1, 2, 3] ---> [1, 2]
- drop
drop 2 [1, 2, 3] ---> [3]
- takeAndDrop
takeAndDrop 2 [1, 2, 3] ---> ([1, 2], [3])
- takeWhile
takeWhile (< 10) primes ---> [2, 3, 5, 7]
- head
head [1, 2, 3] ---> 1
- tail
tail [1, 2, 3] ---> [2, 3]
- last
last [1, 2, 3] ---> 3
- init
init [1, 2, 3] ---> [1, 2]
- uncons
uncons [1, 2, 3] ---> (1, [2, 3])
- unsnoc
unsnoc [1, 2, 3] ---> ([1, 2], 3)
- isEmpty
isEmpty [] ---> True isEmpty [1] ---> False
- length
length [1, 2, 3] ---> 3
- map
map (* 2) [1, 2, 3] ---> [2, 4, 6]
- map2
map2 (*) [1, 2, 3] [10, 20, 30] ---> [10, 40, 90]
- filter
filter (\n -> n % 2 = 1) [1, 2, 3] ---> [1, 3]
- zip
zip [1, 2, 3] [10, 20, 30] ---> [(1, 10), (2, 20), (3, 30)]
- lookup
lookup 2 [(1, 10), (2, 20), (3, 30)] ---> 20
- foldr
foldr (\n ns -> n :: ns) [] [1, 2, 3] ---> [1, 2, 3]
- foldl
foldl (\ns n -> n :: ns) [] [1, 2, 3] ---> [3, 2, 1]
- scanl
scanl (*) 2 [2, 2, 2] ---> [2, 4, 8, 16]
- concat
concat [[1, 2], [3, 4, 5]] ---> [1, 2, 3, 4, 5]
- reverse
reverse [1, 2, 3] ---> [3, 2, 1]
- intersperse
intersperse [0] [[1, 2], [3, 3], [4], []] ---> [[1, 2], [0], [3, 3], [0], [4], [0], []]
- intercalate
intercalate [0] [[1, 2], [3, 3], [4], []] ---> [1, 2, 0, 3, 3, 0, 4, 0]
- split
split [0] [1, 2, 0, 3, 3, 0, 4, 0] ---> [[1, 2], [3, 3], [4], []]
- splitAs
splitAs integer [0] [1, 2, 0, 3, 3, 0, 4, 0] ---> [[1, 2], [3, 3], [4], []]
- splitAt
splitAt 0 [1, 2, 3] ---> ([], [1, 2, 3]) splitAt 2 [1, 2, 3] ---> ([1, 2], [3]) splitAt 4 [1, 2, 3] ---> ([1, 2, 3], [])
- findCycle
findCycle [1, 3, 4, 5, 2, 7, 5, 2, 7, 5, 2, 7] ---> ([1, 3, 4], [5, 2, 7])
- repeat
take 5 (repeat [1, 2, 3]) ---> [1, 2, 3, 1, 2]
- repeat1
take 5 (repeat1 2) ---> [2, 2, 2, 2, 2]
- all
all (= 1) [1, 1, 1] ---> True all (= 1) [1, 1, 2] ---> False
- any
any (= 1) [0, 1, 0] ---> True any (= 1) [0, 0, 0] ---> False
- from
take 3 (from 2) ---> [2, 3, 4]
- between
between 2 5 ---> [2, 3, 4, 5]
- add
add 1 [2, 3] ---> [2, 3, 1] add 1 [1, 2, 3] ---> [1, 2, 3]
- addAs
addAs integer 1 [2, 3] ---> [2, 3, 1] addAs integer 1 [1, 2, 3] ---> [1, 2, 3]
- deleteFirst
deleteFirst 2 [1, 2, 3, 2] ---> [1, 3, 2]
- deleteFirstAs
deleteFirstAs integer 2 [1, 2, 3, 2] ---> [1, 3, 2]
- delete
delete 2 [1, 2, 3, 1, 2, 3] ---> [1, 3, 1, 3]
- deleteAs
deleteAs integer 2 [1, 2, 3, 1, 2, 3] ---> [1, 3, 1, 3]
- difference
difference [1, 2, 3] [1, 3] ---> [2]
- differenceAs
differenceAs integer [1, 2, 3] [1, 3] ---> [2]
- union
union [1, 2, 3] [1, 3, 4] ---> [1, 2, 3, 4]
- unionAs
unionAs integer [1, 2, 3] [1, 3, 4] ---> [1, 2, 3, 4]
- intersect
intersect [1, 2, 3] [1, 3, 4] ---> [1, 3]
- intersectAs
intersectAs integer [1, 2, 3] [1, 3, 4] ---> [1, 3]
- member
member 1 [1, 3, 1, 4] ---> True member 2 [1, 3, 1, 4] ---> False
- memberAs
memberAs integer 1 [1, 3, 1, 4] ---> True memberAs integer 2 [1, 3, 1, 4] ---> False
- count
count 1 [1, 3, 1, 4] ---> 2
- countAs
countAs integer 1 [1, 3, 1, 4] ---> 2
- frequency
frequency [1, 3, 1, 4] ---> [(1, 2), (3, 1), (4, 1)]
- frequencyAs
frequencyAs integer [1, 3, 1, 4] ---> [(1, 2), (3, 1), (4, 1)]
- unique
unique [1, 2, 3, 2, 1, 4] ---> [1, 2, 3, 4]
- uniqueAs
uniqueAs integer [1, 2, 3, 2, 1, 4] ---> [1, 2, 3, 4]