package mopsa

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in-package search v0.2.0

Module `Core.OptionExt`

Utility functions for 'a option type.

val absorb : ('a -> 'b option) -> 'a option -> 'b option

val absorb2 : ('a -> 'b -> 'c option) -> 'a option -> 'b option -> 'c option

val neutral2 : ('a -> 'a -> 'a) -> 'a option -> 'a option -> 'a option

val merge : 
  ('b -> 'a) ->
  ('c -> 'a) ->
  ('b -> 'c -> 'a) ->
  'a ->
  'b option ->
  'c option ->
  'a

val equal : ('a -> 'b -> bool) -> 'a option -> 'b option -> bool

val included : ('a -> 'b -> bool) -> 'a option -> 'b option -> bool

val apply : ('b -> 'a) -> 'a -> 'b option -> 'a

val apply2 : ('a -> 'b -> 'c) -> 'c -> 'a option -> 'b option -> 'c

val default : 'a -> 'a option -> 'a

val compare : ('a -> 'a -> int) -> 'a option -> 'a option -> int

exception Found_None

val raise_none : unit -> 'a

val catch_none : 'b -> ('a -> 'b) -> 'a -> 'b

val none_to_exn : 'a option -> 'a

val exn_to_none : ('a -> 'b) -> 'a -> 'b option

val print : 
  ?none:??? ->
  ?some:??? ->
  (Format.formatter -> 'a -> unit) ->
  Format.formatter ->
  'a option ->
  unit

val return : 'a -> 'a option

val bind : ('a -> 'b option) -> 'a option -> 'b option

val lift : ('a -> 'b) -> 'a option -> 'b option

val lift2 : ('a -> 'b -> 'c) -> 'a option -> 'b option -> 'c option

val lift_list : 'a option list -> 'a list option