funcool/cats

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Category Theory and Algebraic abstractions for Clojure and ClojureScript.

Stars: 970
Forks: 68
Open beginner issues: 0
Indexed issues: 32

Dominant language: Clojure
License: BSD-2-Clause
Last GitHub push: Mar 20, 2025
Latest indexed: Sep 16, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: help wanted
PR merge metrics: No merged PRs in 30d

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32 open issues indexed

More thorough extension of built-in types Open

contributor friendly

funcool/cats#52 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Context management discussion Open

funcool/cats#69 · 12 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Different alet evaluation strategy Open

funcool/cats#73 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Manifold Stream support. Open

contributor friendly

funcool/cats#89 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Const applicative Open

funcool/cats#125 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Helpers for ensuring that values are wrapped in a certain type Open

contributor friendly

funcool/cats#133 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Workflow discussion Open

help wanted

funcool/cats#145 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
alet dependency inference Open

bug

funcool/cats#153 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
docs for `alet` do not mention ctx/with-context, pm/promise-context Open

funcool/cats#156 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Investigate occasional Travis failures Open

contributor friendly

funcool/cats#160 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Remove reflection warnings from cats.labs.* namespaces Open

contributor friendly

funcool/cats#161 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
core/alet works in unexpected way Open

bug

funcool/cats#175 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
differing types for either/maybe Open

funcool/cats#176 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Integration with specs Open

contributor friendly enhancement

funcool/cats#178 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
>=> returns a function Open

funcool/cats#180 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
<*> does not invoke a function when the third argument is supplied Open

funcool/cats#181 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
<*> throws an exception if the first argument is not a higher-order function Open

funcool/cats#182 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Nesting Just and Identity results in java.lang.ClassCastException. Open

funcool/cats#188 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
replacing <*> with ap for maybe results in an exception Open

funcool/cats#189 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
haskell's sequence Open

funcool/cats#200 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
foldl Documentation Example fail Open

funcool/cats#202 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
lift-a produces an exception when n is (inc 1) but not when n is 2 Open

funcool/cats#204 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 16, 2026
maybe/nothing doesn't have to be a function Open

funcool/cats#205 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
doc for fapply - wrap in the same context as af? Open

funcool/cats#211 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Documentation is broken Open

funcool/cats#214 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Naming conventions Open

funcool/cats#227 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Add a jupyter notebook with the documentation. Open

funcool/cats#229 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
Error printing return value of try monad in REPL Open

funcool/cats#232 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Code examples in the documentation don't return what's expected Open

funcool/cats#240 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
Cats does not work with new versions of Promesa Open

funcool/cats#246 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 16, 2026
cats Open

funcool/cats#249 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026
In :or destructuring, values should not depend on other bindings Open

funcool/cats#250 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 16, 2026

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