lib/wash_out/param.rb in wash_out-0.6.1 vs lib/wash_out/param.rb in wash_out-0.7.0

@@ -45,10 +45,11 @@
 
       data = data[key]
       data = [data] if @multiplied && !data.is_a?(Array)
 
       if struct?
+        data ||= {}
         if @multiplied
           data.map do |x|
             map_struct x do |param, data, elem|
               param.load(data, elem)
             end
@@ -61,21 +62,22 @@
       else
         operation = case type
           when 'string';    :to_s
           when 'integer';   :to_i
           when 'double';    :to_f
-          when 'boolean';   nil
+          when 'boolean';   lambda{|data| data === "0" ? false : !!data}
           when 'date';      :to_date
           when 'datetime';  :to_datetime
           when 'time';      :to_time
           else raise RuntimeError, "Invalid WashOut simple type: #{type}"
         end
 
         begin
-          if operation.nil? || data.nil?
+          if data.nil?
             data
           elsif @multiplied
-            data.map{|x| x.send(operation)}
+            return data.map{|x| x.send(operation)} if operation.is_a?(Symbol)
+            return data.map{|x| operation.call(x)} if operation.is_a?(Proc)
           elsif operation.is_a? Symbol
             data.send(operation)
           else
             operation.call(data)
           end