Elm (programming language): Difference between revisions

Revision as of 19:26, 15 November 2012

Revision as of 19:30, 15 November 2012

Line 37:

-- let-expressions

turing = let picture = fittedImage 200 200 "alan-turing.jpg" in

keepEvens1 numbers =

flow down [ plainText "Alan Turing", picture ]

let isEven n = n `mod` 2 == 0 in

filter isEven numbers

-- case-expression

isEmpty list = case list of

keepEvens2 numbers =

; { [] -> [] }True

case numbers of

{ hd : tl -> if hd `mod` 2 == 0 then; hd_ : keepEvens2_ -> False tl}

else keepEvens2 tl

; [] -> [] }

-- anonymous functions

keepEvens3keepEvens numbers = filter (\n -> n `mod` 2 == 0) numbers

-- list interpolation