>> require 'lib/odb'
=> true
>> Odb.path = "."
=> "."
>> a = [1]
=> [1]
>> a << a
=> [1, [...]]
>> Odb::Object.write(a)
SystemStackError: stack level too deep
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:57:in `dump'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:10:in `dump'
from /Users/scotttaylor/src/git/odb/lib/odb/object_data_file.rb:24:in `write'
from /Users/scotttaylor/src/git/odb/lib/odb/object.rb:20:in `write'
from /Users/scotttaylor/src/git/odb/lib/odb/object.rb:11:in `write'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:72:in `proxy_data'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:72:in `map'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:72:in `proxy_data'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:59:in `dump'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:10:in `dump'
from /Users/scotttaylor/src/git/odb/lib/odb/object_data_file.rb:24:in `write'
from /Users/scotttaylor/src/git/odb/lib/odb/object.rb:20:in `write'
from /Users/scotttaylor/src/git/odb/lib/odb/object.rb:11:in `write'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:72:in `proxy_data'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:72:in `map'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:72:in `proxy_data'
... 3222 levels...
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:72:in `map'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:72:in `proxy_data'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:59:in `dump'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:10:in `dump'
from /Users/scotttaylor/src/git/odb/lib/odb/object_data_file.rb:24:in `write'
from /Users/scotttaylor/src/git/odb/lib/odb/object.rb:20:in `write'
from /Users/scotttaylor/src/git/odb/lib/odb/object.rb:11:in `write'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:72:in `proxy_data'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:72:in `map'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:72:in `proxy_data'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:59:in `dump'
from /Users/scotttaylor/src/git/odb/lib/odb/marshal.rb:10:in `dump'
from /Users/scotttaylor/src/git/odb/lib/odb/object_data_file.rb:24:in `write'
from /Users/scotttaylor/src/git/odb/lib/odb/object.rb:20:in `write'
from /Users/scotttaylor/src/git/odb/lib/odb/object.rb:11:in `write'
from (irb):5>>