Patch to fix https://github.com/ocaml-ppx/ppx_deriving_yojson/issues/143

patch-src_ppx__deriving__yojson__runtime.mli

--- src/ppx_deriving_yojson_runtime.mli.orig    2020-11-07 23:40:55 UTC
+++ src/ppx_deriving_yojson_runtime.mli
@@ -1,4 +1,4 @@
-type 'a error_or = ('a, string) Result.result
+type 'a error_or = ('a, string) Result.t
 
 val ( >>= ) : 'a error_or -> ('a -> 'b error_or) -> 'b error_or
 val ( >|= ) : 'a error_or -> ('a -> 'b) -> 'b error_or
@@ -18,7 +18,7 @@ module Int64 : (module type of Int64)
 module Nativeint : (module type of Nativeint)
 module Array : (module type of Array)
 module Result : sig
-  type ('a, 'b) result = ('a, 'b) Result.result =
+  type ('a, 'b) result = ('a, 'b) Result.t =
     | Ok of 'a
     | Error of 'b
 end