Module: Safe

Defined in:
lib/tdiary/core_ext.rb

Overview

Safe module

Class Method Summary collapse

Class Method Details

.safe(level = 4) ⇒ Object 



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# File 'lib/tdiary/core_ext.rb', line 112

def safe( level = 4 )
  result = nil
  if $SAFE < level then
    Proc.new {
      begin
        $SAFE = level
      rescue ArgumentError
        # $SAFE=4 was removed from Ruby 2.1.0.
      ensure
        result = yield
      end
    }.call
  else
    result = yield
  end
  result
end