You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
30 lines
761 B
Plaintext
30 lines
761 B
Plaintext
app "fibonacci"
|
|
packages { pf: "https://github.com/roc-lang/basic-cli/releases/download/0.7.1/Icc3xJoIixF3hCcfXrDwLCu4wQHtNdPyoJkEbkgIElA.tar.br" }
|
|
imports [pf.Stdout, pf.Task]
|
|
provides [main] to pf
|
|
|
|
main : Task.Task {} I32
|
|
main =
|
|
numStrings =
|
|
List.range { start: At 0u128, end: At 186u128 } # 186 is all we can do with 128 bit
|
|
|> List.walk [] fibWalk
|
|
|> List.map Num.toStr
|
|
|> Str.joinWith "\n"
|
|
|
|
Stdout.line "$(numStrings)"
|
|
|
|
fibWalk : List (Num a), Num a -> List (Num a)
|
|
fibWalk = \l, n ->
|
|
next =
|
|
when l is
|
|
[] | [_] -> fib n
|
|
[.., a, b] -> a + b
|
|
List.append l next
|
|
|
|
fib : Num a -> Num a
|
|
fib = \n ->
|
|
if n < 2 then
|
|
n
|
|
else
|
|
fib (n - 1) + fib (n - 2)
|