sequenceAsync

Option.sequenceAsync

Namespace: FsToolkit.ErrorHandling

Function Signature:

Async<'a> option -> Async<'a option>

Note that sequence is the same as traverse id. See also Option.traverseAsync.

See also Scott Wlaschin's Understanding traverse and sequence.

Examples

Example 1

let a1 : Async<int option> =
  Option.sequenceAsync (Some (Async.singleton 42))
// async { return Some 42 }

let a2 : Async<int option> =
  Option.sequenceAsync None
// async { return None }