+Table.rows_hash+ method. Take two

.gitignore

@@ -11,3 +11,4 @@ doc
 .DS_Store
 *.swp
 target
+*.tmproj

lib/cucumber/ast/table.rb

@@ -60,6 +60,23 @@ def hashes
           row.to_hash
         end
       end
+
+      # Converts this table into a Hash where the first column is
+      # used as keys and the second column is used as values
+      #
+      #   | a | 2 |
+      #   | b | 3 |
+      #
+      # Gets converted into the following:
+      #
+      #   {'a' => '2', 'b' => '3'}
+      #
+      # The table must be exactly two columns wide 
+      #
+      def rows_hash
+        verify_table_width(2)
+        @rows_hash = self.transpose.hashes[0]
+      end
 
       # Gets the raw data of this table. For example, a Table built from
       # the following plain text:
@@ -160,6 +177,10 @@ def index(cells) #:nodoc:
       def verify_column(column_name)
         raise %{The column named "#{column_name}" does not exist} unless @raw[0].include?(column_name)
       end
+
+      def verify_table_width(width)
+        raise %{The table must have exactly #{width} columns} unless @raw[0].size == width
+      end
 
       def arguments_replaced(arguments) #:nodoc:
         raw_with_replaced_args = raw.map do |row|

spec/cucumber/ast/table_spec.rb

@@ -69,6 +69,27 @@ def @table.columns; super; end
           @table.transpose.hashes[0].should == {'one' => '1111', 'two' => '22222'}
         end
       end
+
+      describe ".rows_hash" do
+
+        it "should return a hash of the rows" do
+          table = Table.new([
+            %w{one 1111},
+            %w{two 22222}
+          ])
+          table.rows_hash.should == {'one' => '1111', 'two' => '22222'}
+        end
+
+        it "should fail if the table doesn't have two columns" do
+          faulty_table = Table.new([
+            %w{one 1111 abc},
+            %w{two 22222 def}
+          ])
+          lambda {
+            faulty_table.rows_hash
+          }.should raise_error('The table must have exactly 2 columns')
+        end
+      end
 
       it "should allow renaming columns" do
         table2 = @table.map_headers('one' => :three)