From 0a34aa6231d420577c5bd1400c6900297269e78c Mon Sep 17 00:00:00 2001
From: Andrey Antukh <niwi@niwi.nz>
Date: Mon, 5 Oct 2020 18:18:58 +0200
Subject: [PATCH] :tada: Add `ex/ignoring` macro.

---
 common/app/common/exceptions.cljc | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/common/app/common/exceptions.cljc b/common/app/common/exceptions.cljc
index ee1370279f..2ff5b73cc1 100644
--- a/common/app/common/exceptions.cljc
+++ b/common/app/common/exceptions.cljc
@@ -31,3 +31,17 @@
 (defmacro raise
   [& args]
   `(throw (error ~@args)))
+
+(defn ignoring*
+  [f]
+  (try
+    (f)
+    (catch #?(:clj Exception :cljs :default) e
+      nil)))
+
+;; http://clj-me.cgrand.net/2013/09/11/macros-closures-and-unexpected-object-retention/
+;; Explains the use of ^:once metadata
+
+(defmacro ignoring
+  [& exprs]
+  `(ignoring* (^:once fn* [] ~@exprs)))