lib/picky/cores.rb in picky-3.1.0 vs lib/picky/cores.rb in picky-3.1.1

@@ -21,9 +21,16 @@
       raise "Block argument needed when running Cores.forked" unless block_given?
 
       ary_or_generator = ary_or_generator.sort_by { rand } if options[:randomly]
       generator        = ary_or_generator.each
 
+      # Don't fork if there's just one element.
+      #
+      if generator.inject(0) { |total, element| total + 1 } == 1
+        yield generator.next
+        return
+      end
+
       # Get the maximum number of processors.
       #
       max                  = max_processors options
       currently_processing = 0
 
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