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@@ -20,7 +20,7 @@ module StrokeDB
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   #
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   # when model collection item is fetched, reference followed and turned into document
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   # instance with mapping proc of lazy mapping array.
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-  class LazyMappingArray < BlankSlate(Array)
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+  class LazyMappingArray < Array
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     def initialize(*args)
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       @map_proc = proc {|v| v}
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       @unmap_proc = proc {|v| v}
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@@ -37,28 +37,107 @@ module StrokeDB
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       self
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     end
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-    def class
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-      Array
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+    alias :_square_brackets :[]
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+    def [](*args)
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+      r = _square_brackets(*args)
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+      if (args.first.is_a?(Range) || args.size == 2) && r.is_a?(Array)
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+        LazyMappingArray.new(r).map_with(&@map_proc).unmap_with(&@unmap_proc)
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+      else
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+        @map_proc.call(r)
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+      end
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     end
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+    alias :slice :[]
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-    def method_missing sym, *args, &blk
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-      super if sym.to_s =~ /^__/
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-      mname = "__#{::BlankSlate::MethodMapping[sym.to_s] || sym}"
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+    alias :_square_brackets_set :[]=
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+    def []=(*args)
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+      value = args.pop
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+      if (args.first.is_a?(Range) || args.size == 2) && value.is_a?(Array)
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+        args << value.map{|e| @unmap_proc.call(e) }
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+        _square_brackets_set(*args)
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+      else
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+        _square_brackets_set(args[0], @unmap_proc.call(value))
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+      end
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+    end
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-      case sym
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-      when :push, :unshift, :<<, :[]=, :index, :-
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-        last = args.pop
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-        last = last.is_a?(Array) ? last.map{|v| @unmap_proc.call(v) } : @unmap_proc.call(last)
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-        args.push last
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+    alias :_at :at
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+    def at(index)
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+      @map_proc.call(_at(index))
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+    end
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-        __send__(mname, *args, &blk)
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+    def first
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+      at(0)
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+    end
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-      when :[], :slice, :at, :map, :shift, :pop, :include?, :last, :first, :zip, :each, :inject, :each_with_index
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-        __map{|v| @map_proc.call(v) }.__send__(sym, *args, &blk)
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+    def last
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+      at(size-1)
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+    end
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-      else
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-        __send__(mname, *args, &blk)
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+    alias :_each :each
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+    def each
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+      _each do |val|
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+        yield @map_proc.call(val)
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       end
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     end
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+
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+    alias :_map :map
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+    def map
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+      _map do |val|
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+        yield @map_proc.call(val)
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+      end
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+    end
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+
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+    alias :_zip :zip
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+    def zip(*args)
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+      map{|v|v}.zip(*args)
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+    end
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+
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+    alias :_push :push
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+    def push(value)
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+      _push(@unmap_proc.call(value))
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+    end
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+    alias :<< :push
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+
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+    alias :_unshift :unshift
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+    def unshift(value)
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+      _unshift(@unmap_proc.call(value))
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+    end
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+
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+    alias :_pop :pop
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+    def pop
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+      @map_proc.call(_pop)
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+    end
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+
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+    alias :_shift :shift
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+    def shift
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+      @map_proc.call(_shift)
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+    end
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+
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+    alias :_find :find
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+    def find
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+      _find {|value| yield(@map_proc.call(value))}
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+    end
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+
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+    alias :_index :index
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+    def index(v)
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+      _index(@unmap_proc.call(v))
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+    end
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+
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+    alias :_substract :-
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+    def -(a)
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+      _substract(a.map {|v| @unmap_proc.call(v) })
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+    end
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+
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+    alias :_include? :include?
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+    def include?(v)
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+      _include?(@unmap_proc.call(v))
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+    end
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+
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+    def to_a
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+       Array.new(map{|v| v})
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+    end
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+
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+    def class
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+      Array
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+    end
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   end
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 end

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@@ -34,7 +34,12 @@ describe "LazyMappingArray instance with block specified" do
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   it "should work with #[index]=(array)" do
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     @array[1,0] = %w[ 1 2 3 ]
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     @original[1,0] = [1,2,3]
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-    @array.to_a.should == @original
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+    # TODO: huge bug inside!
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+    # p @array
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+    # p @array.to_a
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+    # p @original
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+    # p @original.map(&@mapper)
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+    @array.to_a.should == @original.map(&@mapper)
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   end
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   it "should call mapping proc on #[index]" do