package ppx_meta_conv

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LocalException functor to have exception with target type

Typical usage: avoid Result monad bind chain, using local an exception.

let f decoder = let module E = LocalException(struct type t = target) in E.catch begin ... E.exn decoder ... ... end

Parameters

module A : sig ... end

exception Exception of A.t t

val exn : ('a -> ('b, A.t t) Stdlib.result) -> 'a -> 'b

val catch : ('a -> 'b) -> 'a -> ('b, A.t t) Stdlib.result