lib/parameters/instance_param.rb in parameters-0.1.9 vs lib/parameters/instance_param.rb in parameters-0.2.0

@@ -1,5 +1,7 @@
+require 'parameters/param'
+
 module Parameters
   class InstanceParam < Param
 
     # Owning object
     attr_reader :object
@@ -12,25 +14,28 @@
     #   parameter.
     #
     # @param [Symbol, String] name
     #   The name of the instance parameter.
     #
+    # @param [Class, Array[Class]] type
+    #   The enforced type of the instance parameter.
+    #
     # @param [String, nil] description
     #   The description of the instance parameter.
     #
-    def initialize(object,name,description=nil)
-      super(name,description)
+    def initialize(object,name,type=nil,description=nil)
+      super(name,type,description)
 
       @object = object
     end
 
     #
     # @return
     #   The value of the instance param.
     #
     def value
-      @object.instance_variable_get("@#{@name}".to_sym)
+      @object.instance_variable_get(:"@#{@name}")
     end
 
     #
     # Sets the value of the instance param.
     #
@@ -39,10 +44,10 @@
     #
     # @return [Object]
     #   The new value of the instance param.
     #
     def value=(value)
-      @object.instance_variable_set("@#{@name}".to_sym,value)
+      @object.instance_variable_set(:"@#{@name}",coerce(value))
     end
 
     #
     # @return [String]
     #   Representation of the instance param.