From 4906ecb9802c7e9889a8399b3cf2553d0daa5d6c Mon Sep 17 00:00:00 2001
From: JJ
Date: Sat, 15 Jun 2024 21:03:28 -0700
Subject: update readme

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 README.md | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

(limited to 'README.md')

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 Various implementations of the lambda calculus (and friends).
 
-The code here is hopefully pretty readable: but makes heavy use of quasiquoting. For an introduction, see [*Explaining Lisp's quoting without getting tangled*](https://cadence.moe/blog/2022-10-17-explaining-lisp-quoting-without-getting-tangled).
+The code here is hopefully pretty readable: but makes heavy use of quasiquoting.
+For an introduction, see [*Explaining Lisp's quoting without getting tangled*](quasiquoting).
+
+* [~] LC: The untyped lambda calculus.
+* [x] STLC: The simply-typed lambda calculus.
+* [x] STLC-ext: Simple extensions. Sums, products, lists, ascryptions.
+* [ ] STLC-fix: General recursion.
+* [ ] STLC-sub: Subtyping. Structural records, intersective unions, implicit typeclasses, ⊤, ⊥.
+* [ ] STLC-rec: Recursive types. Also sums, products, ascryption.
+* [x] STLC-ref: References.
+* [x] STLC-pred: Higher-order *predicative* references. Terminating.
+* [ ] STLC-imp: Higher-order *impredicative* references. Terminating.
+* [ ] STLC-rc: References with reference counting.
+* [ ] STLC-gc: References with a tracing garbage collector.
+* [ ] STLC-own: References with Rust-style ownership.
+* [ ] STLC-eff: Effects.
+* [ ] STLC-class: Typeclasses
+* [~] SKI: The SKI combinator calculus.
+* [~] Iota, Jot, Zot: Implementations of Chris Barker's languages.
+* [~] Aviary: Various combinators and constructions of equivalence.
+
+
+[quasiquoting]: https://cadence.moe/blog/2022-10-17-explaining-lisp-quoting-without-getting-tangled
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