Descendents of class
Exception are used to communicate between
raise methods and
rescue statements in
Exception objects carry information about the exception—its type (the exception's class name), an optional descriptive string, and optional traceback information.
def a raise "boom" end def b a() end begin b() rescue => detail print detail.backtrace.join("\n") end
prog.rb:2:in `a' prog.rb:6:in `b' prog.rb:10
Stringobjects in the format described in
Extracted from the book "Programming Ruby - The Pragmatic Programmer's Guide"
Copyright © 2001 by Addison Wesley Longman, Inc. This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at http://www.opencontent.org/openpub/).
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