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Tarides 227 Anil Madhavapeddy's Blog 221 Watch OCaml 204 Caml Weekly News 189 OCamlPro 170 Marc Elvers 148 Jane Street Tech Blog 124 MirageOS 79 Coq 78 Frama-C 76 Robur Cooperative 70 Caml INRIA 53 Jon Ludlam's Blog at recoil.org 53 Daniel Bünzli 42 David Allsopp's Blog 31

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opam 289 compiler 201 mirageos 197 dune 191 functional programming 163 unikernel 134 ppx 132 async 125 multicore 124 parser 118 functor 116 eio 115 odoc 115 merlin 106 domain 105 lwt 104 effect 103 monad 100 js_of_ocaml 90 concurrency 88 typing 0

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Anil Madhavapeddy 235 Tarides 226 Unknown 213 Caml Weekly News 182 Mark Elvers 148 Jane Street Tech Blog 112 Coq 78 Frama-C 74 Jane Street 71 Robur Cooperative 70 Jon Ludlam 54 Caml INRIA 53 Daniel Bünzli 42 Bozhidar Batsov 28 Mathématiques et informatique - Collège de France 28

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Filtering by: Source: Tarides (remove) Keyword: typing (remove) Clear all
OCaml now has type recovery: when type checking goes wrong, but keeps going

In this article, we'll look at how we migrated the Typing Recovery mechanism, previously part of Merlin's vendored front end, directly into OCaml.

in_context log_and_raise log_or_raise merlin pattern matching recovery type checker type inference type-checker typing

15 Oct 2026

Tarides

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