Event Hook
Exception-based Event Hooks provides an Event
Hooks system designed on top of Ruby‘s built-in Exception system.
def dothis2
puts 'pre'
hook :quitit
puts 'post'
end
def tryit2
begin
puts "BEFORE"
dothis2
puts "AFTER"
rescue EventHook
event :quitit do
puts "HERE"
end
end
end
tryit2