From 6c9c189e4b9b5a340e220b333bc5f975fdb65adc Mon Sep 17 00:00:00 2001
From: KOBAYASHI Shuji <shuujii@gmail.com>
Date: Sat, 18 May 2019 18:31:55 +0900
Subject: Move `Object#(Rational|Complex)` to `Kernel`

---
 mrbgems/mruby-complex/mrblib/complex.rb   | 10 ++++++----
 mrbgems/mruby-rational/mrblib/rational.rb | 12 +++++++-----
 2 files changed, 13 insertions(+), 9 deletions(-)

diff --git a/mrbgems/mruby-complex/mrblib/complex.rb b/mrbgems/mruby-complex/mrblib/complex.rb
index 266c00c36..8ae743e77 100644
--- a/mrbgems/mruby-complex/mrblib/complex.rb
+++ b/mrbgems/mruby-complex/mrblib/complex.rb
@@ -107,7 +107,7 @@ class Complex < Numeric
   def polar
     [abs, arg]
   end
-  
+
   def real?
     false
   end
@@ -147,8 +147,10 @@ class << Complex
   alias_method :rect, :rectangular
 end
 
-def Complex(real, imaginary = 0)
-  Complex.rectangular(real, imaginary)
+module Kernel
+  def Complex(real, imaginary = 0)
+    Complex.rectangular(real, imaginary)
+  end
 end
 
 [Fixnum, Float].each do |cls|
@@ -165,4 +167,4 @@ end
       end
     end
   end
-end
\ No newline at end of file
+end
diff --git a/mrbgems/mruby-rational/mrblib/rational.rb b/mrbgems/mruby-rational/mrblib/rational.rb
index 870c12242..19c6da9e7 100644
--- a/mrbgems/mruby-rational/mrblib/rational.rb
+++ b/mrbgems/mruby-rational/mrblib/rational.rb
@@ -75,11 +75,13 @@ class Numeric
   end
 end
 
-def Rational(numerator = 0, denominator = 1)
-  a = numerator
-  b = denominator
-  a, b = b, a % b until b == 0
-  Rational._new(numerator.div(a), denominator.div(a))
+module Kernel
+  def Rational(numerator = 0, denominator = 1)
+    a = numerator
+    b = denominator
+    a, b = b, a % b until b == 0
+    Rational._new(numerator.div(a), denominator.div(a))
+  end
 end
 
 [:+, :-, :*, :/, :<=>, :==, :<, :<=, :>, :>=].each do |op|
-- 
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