Option
Provide utilities for option
t
RESCRIPT
type t<'a> = option<'a>
some
RESCRIPT
let some: 'a => option<'a>
isSome
RESCRIPT
let isSome: option<'a> => bool
isSomeValue
RESCRIPT
let isSomeValue: (('a, 'a) => bool, 'a, option<'a>) => bool
isNone
RESCRIPT
let isNone: option<'a> => bool
getExn
RESCRIPT
let getExn: option<'a> => 'a
equal
RESCRIPT
let equal: (('a, 'b) => bool, option<'a>, option<'b>) => bool
andThen
RESCRIPT
let andThen: ('a => option<'b>, option<'a>) => option<'b>
map
RESCRIPT
let map: ('a => 'b, option<'a>) => option<'b>
getWithDefault
RESCRIPT
let getWithDefault: ('a, option<'a>) => 'a
default
Deprecated
Use getWithDefault
instead since default has special meaning in ES module
RESCRIPT
let default: ('a, option<'a>) => 'a
filter
RESCRIPT
let filter: ('a => bool, option<'a>) => option<'a>
firstSome
RESCRIPT
let firstSome: (option<'a>, option<'a>) => option<'a>