Mapper

class torchdata.datapipes.map.Mapper(datapipe: MapDataPipe, fn: Callable = <function default_fn>)

Apply the input function over each item from the source DataPipe (functional name: map). The function can be any regular Python function or partial object. Lambda function is not recommended as it is not supported by pickle.

Parameters

• datapipe – Source MapDataPipe

• fn – Function being applied to each item