Odoc_odoc.Or_error
type (!'a, !'e) result = ('a, 'e) Result.result =
| Ok of 'a
| Error of 'e
type msg = [
| `Msg of string
]
val (>>=) : ('a, 'e) result -> ('a -> ('b, 'e) result) -> ('b, 'e) result
val fold_list : ('acc -> 'a -> ('acc, 'e) result) -> 'acc -> 'a list -> ('acc, 'e) result