String in Haskell is a list of Chars: [Char]
- map
- filter
- foldl
- foldr
- mod
- modulo (reminder after numerical division)
- div
- integer division
- even/odd
- checks if a number is even/odd
- lcm
- lowest common multiplier
- gcd
- greatest common divisor
- takeWhile condition list
- length
- head
- last
- tail
- null
- Data.List(nub)
- remove duplicates
- show
- read
- Char.digitToInt
- $!
- strict (non-lazy) apply function operator