Data commit

Task/Inverted-syntax/Ruby/inverted-syntax.rb

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+# Raise ArgumentError if n is negative.
+if n < 0 then raise ArgumentError, "negative n" end
+raise ArgumentError, "negative n" if n < 0
+
+# Exit 1 unless we can call Process.fork.
+unless Process.respond_to? :fork then exit 1 end
+exit 1 unless Process.respond_to? :fork
+
+# Empty an array, printing each element.
+while ary.length > 0 do puts ary.shift end
+puts ary.shift while ary.length > 0
+
+# Another way to empty an array, printing each element.
+until ary.empty? do puts ary.shift end
+puts ary.shift until ary.empty?