lib/lotus/utils/hash.rb in lotus-utils-0.3.1 vs lib/lotus/utils/hash.rb in lotus-utils-0.3.2

@@ -55,15 +55,40 @@
         end
 
         self
       end
 
+      # Convert in-place all the keys to Symbol instances, nested hashes are converted too.
+      #
+      # @return [Hash] self
+      #
+      # @since 0.3.2
+      #
+      # @example
+      #   require 'lotus/utils/hash'
+      #
+      #   hash = Lotus::Utils::Hash.new a: 23, b: { c: ['x','y','z'] }
+      #   hash.stringify!
+      #
+      #   hash.keys    # => [:a, :b]
+      #   hash.inspect # => {"a"=>23, "b"=>{"c"=>["x", "y", "z"]}}
+      def stringify!
+        keys.each do |k|
+          v = delete(k)
+          v = Hash.new(v).stringify! if v.is_a?(::Hash)
+
+          self[k.to_s] = v
+        end
+
+        self
+      end
+
       # Return a deep copy of the current Lotus::Utils::Hash
       #
       # @return [Hash] a deep duplicated self
       #
-      # @since x.x.x
+      # @since 0.3.1
       #
       # @example
       #   require 'lotus/utils/hash'
       #
       #   hash = Lotus::Utils::Hash.new(
@@ -250,10 +275,10 @@
         @hash.respond_to?(m, include_private)
       end
 
       private
       # @api private
-      # @since x.x.x
+      # @since 0.3.1
       def duplicate(value)
         case value
         when NilClass, FalseClass, TrueClass, Symbol, Numeric
           value
         when Hash