# Lambda vs non-lambda proc **URL:** \ **Category:** Ruby\ **Created:** [March 30, 2009, 10:14pm UTC](https://www.ruby-forum.com/t/lambda-vs-non-lambda-proc/164282 "2009-03-30T22:14:01Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![stevedogers](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/9dc877/32.png) [@stevedogers](https://www.ruby-forum.com/u/stevedogers)\ **Post date:** [March 30, 2009, 10:14pm UTC](https://www.ruby-forum.com/t/lambda-vs-non-lambda-proc/164282/1 "2009-03-30T22:14:01Z")
I guess my question is rather simple, what’s the difference between blocks defined with lambda and blocks that aren’t? Cheers! ---
**Author:** ![stevedogers](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/9dc877/32.png) [@stevedogers](https://www.ruby-forum.com/u/stevedogers)\ **Post date:** [March 31, 2009, 12:13am UTC](https://www.ruby-forum.com/t/lambda-vs-non-lambda-proc/164282/2 "2009-03-31T00:13:40Z")
On Mon, Mar 30, 2009 at 9:13 PM, Steve D. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > I guess my question is rather simple, what’s the difference between > blocks defined with lambda and blocks that aren’t? > > Cheers! A simple question but one not so easily answered. Google “ruby blocks vs procs” and take your pick. ---
**Author:** ![stevedogers](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/9dc877/32.png) [@stevedogers](https://www.ruby-forum.com/u/stevedogers)\ **Post date:** [March 31, 2009, 4:38am UTC](https://www.ruby-forum.com/t/lambda-vs-non-lambda-proc/164282/3 "2009-03-31T04:38:47Z")
You should read this: [http://innig.net/software/ruby/closures-in-ruby.rb](http://innig.net/software/ruby/closures-in-ruby.rb) - J - Steve D. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) [2009-03-31 05:13:50 +0900]: