module Kernel

Rescues / retries a block, up to times times.

Examples¶ ↑

# Rescue / retry something, up to 10 times
value = rescue_up_to(10.times) do
  # do something, retry on StandardError...
end

# A more complex / useful example, fetch Google's home page
require 'open-uri'
contents = rescue_up_to(10.times, from: SocketError, with: ->(rescued_times){sleep rescued_times} ) do
  open('http://www.google.com').read 
end
# => "[...]"

   # File lib/rescue_up_to.rb
22 def rescue_up_to times, from: StandardError, with: nil # :yields: rescued_times
23   rescued_times = 0
24   times.each do
25     begin
26       return yield rescued_times
27     rescue *from => e
28       rescued_times += 1
29       with && (with.arity == 0 ? with.call : with.call(rescued_times))
30     end
31   end
32   yield rescued_times
33 end