core type coercion may be done!

1 files changed, 13 insertions, 1 deletions

diff --git a/lib/hashie/extensions/coercion.rb b/lib/hashie/extensions/coercion.rb
index 332953f..cc96dd0 100644
--- a/lib/hashie/extensions/coercion.rb
+++ b/lib/hashie/extensions/coercion.rb
@@ -13,6 +13,11 @@ module Hashie
         Symbol     => :to_sym
       }
 
+      ABSTRACT_CORE_TYPES = {
+        Integer => [Fixnum, Bignum],
+        Numeric => [Fixnum, Bignum, Float, Complex, Rational]
+      }
+
       def self.included(base)
         base.send :include, InstanceMethods
         base.extend ClassMethods # NOTE: we wanna make sure we first define set_value_with_coercion before extending
@@ -25,7 +30,8 @@ module Hashie
         def set_value_with_coercion(key, value)
           into = self.class.key_coercion(key) || self.class.value_coercion(value)
 
-          return set_value_without_coercion(key, value) unless value && into
+          return set_value_without_coercion(key, value) if value.nil? || into.nil?
+
           begin
             return set_value_without_coercion(key, coerce_or_init(into).call(value)) unless into.is_a?(Enumerable)
 
@@ -137,6 +143,12 @@ module Hashie
         def coerce_value(from, into, options = {})
           options = { strict: true }.merge(options)
 
+          if ABSTRACT_CORE_TYPES.key? from
+            ABSTRACT_CORE_TYPES[from].each do | type |
+              coerce_value type, into, options
+            end
+          end
+
           if options[:strict]
             (@strict_value_coercions ||= {})[from] = into
           else