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Option.unzip #25

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Option.unzip #25

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4173fdd
Added Option.unzip and unzip3.
brianberns Apr 16, 2022
f0032fe
Added Option.zip3.
brianberns Apr 16, 2022
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13 changes: 13 additions & 0 deletions src/Prelude/Extensions/Option.fs
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,19 @@ module Option =
let zip (option1: 'a option) (option2: 'b option) : ('a * 'b) option =
(fun a b -> a, b) <!> option1 <*> option2

let zip3 option1 option2 option3 =
(fun a b c -> a, b, c) <!> option1 <*> option2 <*> option3

/// Splits an optioned tuple into two options.
let unzip = function
| Some (a, b) -> Some a, Some b
| None -> None, None

/// Splits an optioned tuple into three options.
let unzip3 = function
| Some (a, b, c) -> Some a, Some b, Some c
| None -> None, None, None

let ofResult (result: Result<'a, 'b>) : 'a option =
match result with
| Ok ok -> Some ok
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