2008-09-08から1日間の記事一覧
+=の場合(予想通りの結果になる) a = "a" b = a b += 'b' p b # => "ab" p a # => "a" a = "a" b = a b << 'b' p b # => "ab" p a # => "ab"
+=の場合(予想通りの結果になる) a = "a" b = a b += 'b' p b # => "ab" p a # => "a" a = "a" b = a b << 'b' p b # => "ab" p a # => "ab"