restarts

latest code is available at github.com/archit/restarts/tree/master

latest documentation is available at ore.rubyforge.org/restarts

DESCRIPTION:

restarts.rb implements a new method Kernel#raise_condition which is similar to Kernel#raise for throwing exceptions, with the added feature of adding "restarts" next to the place where the exception is thrown so that they can be invoked from the exception handler somewhere higher up in the stack.

FEATURES/PROBLEMS:

kicks ass

SYNOPSIS:

def do_stuff()

  error_occured = do_something()
  if error_occured
    raise_with_restarts(MyException.new(...)) { |restart_id|
      case restart_id
      when :ID1 then do_something_more()
      when :ID2 then do_something_even_more()
      end
    }
  end

end

begin

  do_stuff()

rescue MyException

  $!.restart(:ID1) if (boolean expression inolving $! data)

end

REQUIREMENTS:

None whatsoever

INSTALL:

gem install restarts

LICENSE:

(The MIT License)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the ‘Software’), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED ‘AS IS’, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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