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Library
Module
Module type
Parameter
Class
Class type
val make :
(?with_doc:bool -> 'a -> Yojson.Safe.t) ->
(?def:'a -> Yojson.Safe.t -> 'a) ->
'a t
of_ok_error f json
applies f
to json
. If it returns `Ok x
, then x
is returned. Else invalid_value
is called with the given json
. This function is useful to wrap *_of_yojson
functions generated by ppx_deriving_yojson.
val int : int t
val float : float t
val bool : bool t
val string : string t
val string_ : ('a -> string) -> (string -> 'a) -> 'a t
val string_map :
fold:((string -> 'a -> assocs -> assocs) -> 'map -> assocs -> assocs) ->
add:(string -> 'a -> 'map -> 'map) ->
empty:'map ->
'a t ->
'map t
To create a map from strings to 'a
. This will be stored in JSON as
{ foo: ..., bar: ..., ... }
Here foo
and bar
are the keys in the resulting map. The Map.S.fold
, Map.S.add
and Map.S.empty
functions can be used for parameters fold
, add
and empty
.