Avoid making top-level `env` in initialization code; ref #4581

1 files changed, 21 insertions, 20 deletions

diff --git a/mrbgems/mruby-rational/mrblib/rational.rb b/mrbgems/mruby-rational/mrblib/rational.rb
index 93af72b96..c0b16a6ae 100644
--- a/mrbgems/mruby-rational/mrblib/rational.rb
+++ b/mrbgems/mruby-rational/mrblib/rational.rb
@@ -89,28 +89,29 @@ module Kernel
     a, b = b, a % b until b == 0
     Rational._new(numerator.div(a), denominator.div(a))
   end
-end
 
-[:+, :-, :*, :/, :<=>, :==, :<, :<=, :>, :>=].each do |op|
-  Fixnum.instance_eval do
-    original_operator_name = "__original_operator_#{op}_rational"
-    alias_method original_operator_name, op
-    define_method op do |rhs|
-      if rhs.is_a? Rational
-        Rational(self).__send__(op, rhs)
-      else
-        __send__(original_operator_name, rhs)
+  [:+, :-, :*, :/, :<=>, :==, :<, :<=, :>, :>=].each do |op|
+    Fixnum.instance_eval do
+      original_operator_name = "__original_operator_#{op}_rational"
+      alias_method original_operator_name, op
+      define_method op do |rhs|
+        if rhs.is_a? Rational
+          Rational(self).__send__(op, rhs)
+        else
+          __send__(original_operator_name, rhs)
+        end
       end
     end
-  end
-  Float.instance_eval do
-    original_operator_name = "__original_operator_#{op}_rational"
-    alias_method original_operator_name, op
-    define_method op do |rhs|
-      if rhs.is_a? Rational
-        rhs = rhs.to_f
+    Float.instance_eval do
+      original_operator_name = "__original_operator_#{op}_rational"
+      alias_method original_operator_name, op
+      define_method op do |rhs|
+        if rhs.is_a? Rational
+          rhs = rhs.to_f
+        end
+        __send__(original_operator_name, rhs)
       end
-      __send__(original_operator_name, rhs)
-    end
-  end if Object.const_defined?(:Float)
+    end if Object.const_defined?(:Float)
+  end
 end
+