View source on GitHub
|
Class Reducer
A reducer is used for reducing a set of elements.
Aliases:
A reducer is represented as a tuple of the three functions: 1) initialization function: key => initial state 2) reduce function: (old state, input) => new state 3) finalization function: state => result
__init__
__init__(
init_func,
reduce_func,
finalize_func
)
Initialize self. See help(type(self)) for accurate signature.