map3
Namespace: FsToolkit.ErrorHandling
Function Signature:
('a -> 'b -> 'c -> 'd)
-> Result<'a option, 'e>
-> Result<'b option, 'e>
-> Result<'c option, 'e>
-> Result<'d option, 'e>

Example 1

Given the following function:
add : int -> int -> int -> int
Then using ResultOption.map3, we can do the following:
ResultOption.map3 add (Ok (Some 30)) (Ok (Some 10)) (Ok (Some 2))
// Ok (Some 42)
Last modified 9mo ago
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