Exceptional Exceptions

By Mark Fowler
Date: Thursday, 14 June 2012 13:30
Duration: 50 minutes
Target audience: Beginner
Language: English

This talk attempts to be the definitive guide to current state of exception handling in Perl

This talk will cover

* The concept of exceptions and exception flow control
* throwing errors with die
*** The final newline oddity
*** autodie
* eval (it's pronounced 'try')
*** The two forms of eval
*** Dealing with errors
*** How this sucks
* A note about %SIG handlers
*** CGI::Carp
* Throwing Blessed Objects
*** Rolling your own exception class
*** Handy exception object classes on the CPAN
* The DESTROY problem on legacy Perls
*** Why this problem occurs
*** How it's solved on Perl 5.14 and later
*** Bad workarounds
*** Perl::Critic::Policy::ErrorHandling::RequireCheckingReturnValueOfEval
* Alternative syntax
*** Try::Tiny
*** TryCatch

• david delikat
• Peter Rabbitson (‎ribasushi‎)
• Ricardo Signes (‎rjbs‎)
• Stephen Scaffidi (‎hercynium‎)
• Nathan Schremp
• Florian Ragwitz (‎rafl‎)
• Dale Carder
• Daniel Young
• Michael Caron (‎Mike‎)
• Aaron Stephenson
• Melissa Wallace
• Scott Miller
• Fred Foreman
• Ben Thomas
• jerry gay (‎particle‎)
• David Scholes
• jim winkle
• John Anderson (‎genehack‎)
• Todd Allen
• Craig Treptow
• Scott Nelson
• Mike Covington (‎frozenwithjoy/mfcovington‎)
• Jon Auer
• Frew Schmidt (‎fREW‎)
• Jason McIntosh
• Lance
• Dan Wright (‎Dan‎)
• Andy Lester (‎petdance‎)
• Darren Duncan (‎duncand‎)
• Prairie Nyx
• Jamie Helm Lenox
• Ken Olstad (‎keno‎)
• Jeffrey Thalhammer
• Deb Smalley
• Demian Riccardi
• John Ellyson
• Michael Malony (‎MHMalony‎)
• Tommy Stanton (‎tstanton‎)
• Timm Murray
• Dave Sherohman (‎dsheroh‎)
• Stephen Belcher
• Glenn Bushee
• Michael Aquilina
• Todd Rinaldo (‎toddr‎)
• Kevin Shaum
• Leanan
• André Santos
• Phillip Upton (‎phillup‎)
• Michael McClennen
• Jeremy Scott
• Jacob Ela (‎wubr‎)
• Rick Ford
• Ryan Larscheidt
• G. Wade Johnson (‎Wade‎)
• Nicholas Jackson
• Tim Mullin
• Belden Lyman (‎belden‎)
• william boettcher
• Kenneth Smith
• Olaf Alders (‎oalders‎)
• Chanda Unmack (‎Chanda‎)
• Bruce LaBuda
• Brian Oates
• Bruce Gray (‎Util‎)
• Jesse Thompson
• Kevin Falcone (‎jibsheet‎)
• Jerry Steinhauer
• Alan De Smet
• Mark Weber
• Kelley Huston (‎kalinda‎)
• Mary Ehlers
• James Morgan (‎Ven'Tatsu‎)
• Michael Cox
• James E Keenan (‎kid51‎)
• A. Sinan Unur (‎Sinan‎)
• John Fritz (‎Yarrow‎)
• Larry Leszczynski (‎larryl‎)
• Dee Newcum
• Stephen Wilcoxon
• Ross Steiner
• chan wilson
• Sricharan Angara
• Christopher Eades (‎ceades‎)