From: Hidetoshi NAGAI <nagai@...>
Date: 2005-03-10T22:37:56+09:00
Subject: [ruby-dev:25853] conflict method and local variable

永井@知能．九工大です．

以下の 1.9 の挙動は仕様でしょうか？
仕様だとすると少々辛いです．(^_^;
===========================================
$ /usr/local/bin/ruby -v
ruby 1.9.0 (2005-03-07) [i686-linux]
$ /usr/local/bin/ruby
]$ /usr/local/bin/ruby -e "
class A
  def hoge(x)
    p x
  end
end

a = A.new
a.instance_eval{hoge('fuga')}
hoge = 'aaa'
a.instance_eval{hoge('fuga')}
p hoge
"
"fuga"
-e:11: undefined method `call' for "aaa":String (NoMethodError)
        from -e:11:in `instance_eval'
        from -e:11:in `instance_eval'
        from -e:11
===========================================

===========================================
$ ./ruby -v
ruby 1.8.2 (2005-03-09) [i686-linux]
$ ./ruby -e "
class A
  def hoge(x)
    p x
  end
end

a = A.new
a.instance_eval{hoge('fuga')}
hoge = 'aaa'
a.instance_eval{hoge('fuga')}
p hoge
"
"fuga"
"fuga"
"aaa"
===========================================
-- 
                                       永井 秀利 （九工大 知能情報）
                                           nagai@ai.kyutech.ac.jp