LazyList
========

.. currentmodule:: deepfos.lib.utils

.. autoclass:: LazyList

   :exclude-members:



元素延迟初始化的列表

    元素的值只会在使用时被计算

    >>> def call(*args):
    ...     print('calc')
    ...     return sum(args)
    >>> ll = LazyList()
    >>> ll.append(call, 1, 2, 3)
    >>> ll.append(call, 4, 5, 6)
    >>> ll[0]
    calc
    6
    >>> ll[0]
    6

    See Also:
        :class:`LazyDict`

    

.. autosummary::