Module: Kernel

Defined in:
lib/ronin/extensions/kernel.rb

Overview

Copyright (c) 2006-2013 Hal Brodigan (postmodern.mod3 at gmail.com)

This file is part of Ronin Support.

Ronin Support is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

Ronin Support is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with Ronin Support. If not, see http://www.gnu.org/licenses/.

Instance Method Summary collapse

Instance Method Details

#try { ... } ⇒ Object? Also known as: attempt

Calls the given block and ignores any raised exceptions.

Examples:

attempt do
  Resolv.getaddress('might.not.exist.com')
end

Yields:

  • [] The block to be called.

Returns:

  • (Object, nil)

    The return-value of the given block. If nil is returned, an exception occurred and was ignored.


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# File 'lib/ronin/extensions/kernel.rb', line 38

def try
  begin
    yield() if block_given?
  rescue Exception
    return nil
  end
end