From 23ceff79cac5161fab969445db216732e2b81bc8 Mon Sep 17 00:00:00 2001
From: Mike Gerwitz <mtg@gnu.org>
Date: Tue, 7 Nov 2017 00:14:31 -0500
Subject: [PATCH] Add missing scripts/ex/error-subtype.js

Oops!

scripts/ex/error-subtype.js: Add file.
---
 scripts/ex/error-subtype.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 scripts/ex/error-subtype.js

diff --git a/scripts/ex/error-subtype.js b/scripts/ex/error-subtype.js
new file mode 100644
index 0000000..c26d562
--- /dev/null
+++ b/scripts/ex/error-subtype.js
@@ -0,0 +1,15 @@
+const MyError = Class( 'MyError' )
+    .extend( Error, {} );
+
+const e = MyError( 'Foo' );
+e.message;  // Foo
+e.name;     // MyError
+
+// -- if supported by environment --
+e.stack;         // stack beginning at caller
+e.fileName;      // caller filename
+e.lineNumber;    // caller line number
+e.columnNumber;  // caller column number
+
+// general case
+throw MyError( 'Foo' );