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authorzzak <zzak@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-01-31 21:31:12 +0000
committerzzak <zzak@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2014-01-31 21:31:12 +0000
commit16220d9abbb9ef23b0049b63186da8b814f71a37 (patch)
tree4bdd6b10ef055c34ba00599552ff6f3e6e2c641d
parent09c3f84566f4f79c678e9d16417f4dfcf12abba8 (diff)
* error.c: [DOC] Document Exception#cause by @jasonrclark [ci skip]
[Fixes GH-519] https://github.com/ruby/ruby/pull/519 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@44783 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r--ChangeLog5
-rw-r--r--error.c9
2 files changed, 14 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog
index c6fd8f654d..54d3037b58 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Feb 1 06:30:20 2014 Zachary Scott <e@zzak.io>
+
+ * error.c: [DOC] Document Exception#cause by @jasonrclark [ci skip]
+ [Fixes GH-519] https://github.com/ruby/ruby/pull/519
+
Sat Feb 1 06:10:49 2014 Zachary Scott <e@zzak.io>
* lib/securerandom.rb: [DOC] Add note on require for examples
diff --git a/error.c b/error.c
index b9d8d52809..773d679e23 100644
--- a/error.c
+++ b/error.c
@@ -804,6 +804,15 @@ rb_exc_set_backtrace(VALUE exc, VALUE bt)
return exc_set_backtrace(exc, bt);
}
+/*
+ * call-seq:
+ * exception.cause -> an_exception
+ *
+ * Returns the previous exception ($!) at the time this exception was raised.
+ * This is useful for wrapping exceptions and retaining the original exception
+ * information.
+ */
+
VALUE
exc_cause(VALUE exc)
{