From: Joe R. MUDCRAP-CE
Subject: What are closures, continuations?
Short answer to closures:
Closures are functions that retain access to local variables declared in
the same scope as the function.
Long answer to closures:
http://www.google.com/search?q=what+are+closures
Short answer to continuations:
http://phrogz.net/ProgrammingRuby/ref_c_continuation.html
Long answer to continuations:
http://www.google.com/search?q=ruby+continuations