ForNext
Only Do What Only You Can Do
084. null type
VBScript
JScript
Perl
PHP
Python
Ruby
PowerShell
Scala
val list = List(Some(3),null,Some(-4))
F#
OCaml
type list_option_int = int option list;; let list = [Some 3; None; Some (-4)];;
Haskell
list = [Just(3),Nothing,Just(-4)]