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Articles and videos contributed by both experts, companies and passionate developers from the OCaml community. From in-depth technical articles, project highlights, community news, or insights into Open Source projects, the OCaml Planet RSS feed aggregator has something for everyone.

Type

All Article Video

Source

Tarides 227 Anil Madhavapeddy's Blog 220 Watch OCaml 204 Caml Weekly News 188 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

Keyword

opam 281 compiler 200 mirageos 195 dune 185 functional programming 162 ppx 132 unikernel 132 async 125 multicore 123 eio 115 functor 115 parser 115 odoc 113 domain 104 effect 103 lwt 103 merlin 103 monad 99 js_of_ocaml 89 concurrency 88 pattern 0

Year

2026 314 2025 425 2024 306 2023 242 2022 149 2021 196 2020 141 2019 117 2018 110 2017 99 2016 99 2015 105 2014 137 2013 98 2012 60 2011 52 2010 72 2009 35 2008 19 2007 9 2006 3 2005 4 2004 4 2003 2 2002 2

Author

Anil Madhavapeddy 234 Tarides 226 Unknown 213 Caml Weekly News 181 Mark Elvers 148 Jane Street Tech Blog 112 Coq 78 Frama-C 74 Jane Street 70 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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OCaml Roundup: November 2025

MirageOS compiler constraint monad ocamlformat pattern ppat_constraint ppxlib pvb_constraint repr

09 Dec 2025

Patrick Ferris' OCaml Blog

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camel head illustration

[ARTICLE]
Effective ML Through Merlin's Destruct Command

The Merlin server and OCaml LSP server, two closely related OCaml language servers, enhance productivity with features like autocompletion…

GADT command destruct exhaustive merlin ocamlformat pattern ppx_compare type inference wildcard

29 May 2024

Tarides

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Fold for cheap pattern-matching

Summary of a response regarding the encoding of visitors without pattern matching in OCaml, using the fold function.

fold lambdas matching none opt option_obj pattern pattern matching when_none when_some

18 Mar 2024

grim.cargocut.org

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camel head illustration

[ARTICLE]
How I explore domain problems cheaply and fast with OCaml: modeling a web router

You've heard of Domain-Driven Design, now buckle up for Type-Driven Domain..wait. Typed Domains Driving...nevermind. We're gonna use Only Types to Understand our Domain Problems Very Fast! 🚀

domain gadt handler model modeling pattern payload res route router

24 Aug 2023

Practical OCaml

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camel head illustration

[ARTICLE]
vile 9.8u

brendan dea deletions dickey insensitive insertions nvi pattern simpson vile

18 May 2020

Marc Simpson

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camel head illustration

[ARTICLE]
Introduction to OCaml, part 4: higher order functions, parametric polymorphism and algebraic data types

algebraic expressions float higher parametric pattern pattern matching polymorphism sum tuple

12 Aug 2018

Daniil Baturin

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camel head illustration

[ARTICLE]
OCaml Design Pattern: Easy functorization refactoring for unit testing

I’ve recently stumbled upon a useful OCaml design pattern for functorizing an existing module, without changing the way existing clients of that module use it. This is really useful for stubb…

args cli create_bond functor ovs ovs-vsctl pattern prop_args props vsctl

18 Dec 2012

Mike McClurg

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