sequenceResult
Namespace: FsToolkit.ErrorHandling
Function Signature:
Result<'a,'b> option -> Result<'a option, 'b>
Note that sequence is the same as traverse id. See also Option.traverseResult.
See also Scott Wlaschin's Understanding traverse and sequence.
let r1 : Result<int option, string> =Option.sequenceResult (Some (Ok 42))// Ok (Some 42)​let r2 : Result<int option, string> =Option.sequenceResult (Some (Error "something went wrong"))// Error "something went wrong"​let r3 : Result<int option, string> =Option.sequenceResult None// Ok None
Last updated 17 days ago