merr
Minimal and good enough error handling library for Clojure/ClojureScript
This library is based on "Good Enough" error handling in Clojure.
Concept
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Easy to imagine behavior
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Minimum to remember
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All usage and examples are documented in docstring
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(require '[merr.core :as merr])
;; => nil
;; for ClojureScript
;; (require '[merr.core :as merr :include-macros true])
(merr/let +err+ [foo 1
bar (merr/err)
baz (* bar 2)]
{:+err+ +err+ :foo foo :bar bar :baz baz})
;; => {:+err+ (merr/err), :foo 1, :bar nil, :baz nil}Usage
error record
(defrecord MerrError [type message data cause])let
(merr/let err [a 10
b (inc a)
c (inc b)]
(if err
(merr/message err)
(str "c = " c)))
;; => "c = 12"
(merr/let err [a 10
b (merr/err {:message "ERROR"})
c (inc b)]
(if err
(merr/message err)
(str "c = " c)))
;; => "ERROR"→
(merr/-> 10 (+ 1) (- 1))
;; => 10
(merr/-> 10 ((fn [_] (merr/err))) (- 1))
;; => (merr/err)→>
(merr/->> 10 (+ 1) (- 1))
;; => -10
(merr/->> 10 ((fn [_] (merr/err))) (- 1))
;; => (merr/err)Integration
clj-kondo
merr provies clj-kondo’s configuration and hooks. To import configurations, run the following command.
clj-kondo --no-warnings --lint "$(clojure -Spath -Sdeps '{:deps {merr/merr {:mvn/version "LATEST"}}}')"And update :config-paths as below.
{
:config-paths ["testdoc/testdoc"]
}License
Copyright © 2018-2021 Masashi Iizuka
Distributed under the Eclipse Public License either version 1.0 or (at your option) any later version.