FsToolkit.ErrorHandling

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
Assume that we have the following function,
// int -> int -> int -> int
let add a b c = a + b + c
Then using ResultOption.map3 function, we can achieve the following
// returns - Ok (Some 42)
ResultOption.map3 add (Ok (Some 30)) (Ok (Some 10)) (Ok (Some 2))

map2

apply