package plebeia

  1. Overview
  2. Docs
type 'a t = 'a option
val from_Some : 'a option -> 'a
val default : 'a -> 'a option -> 'a
val return : 'a -> 'a option
val bind : 'a option -> ('a -> 'b option) -> 'b option
val (>>=) : 'a option -> ('a -> 'b option) -> 'b option
val map : ('a -> 'b) -> 'a option -> 'b option
val (>>|) : 'a option -> ('a -> 'b) -> 'b option

same as map

val (>>) : unit option -> 'b option -> 'b option
val mapM : ('a -> 'b option) -> 'a list -> 'b list option
val mapM_ : ('a -> unit option) -> 'a list -> unit option
val fold_leftM : ('a -> 'b -> 'a option) -> 'a -> 'b list -> 'a option
val parseM : ('a -> 'b list -> ('a * 'b list) option) -> 'a -> 'b list -> 'a option
module Op : sig ... end