Skip to main content

No project description provided

Project description

f_it

Iterator class for functional-esque, postfix-chaining programming.

Features

  • A single wrapper class exposing chain-able methods for lazily transforming iterators
  • Wraps functions from functools, itertools, and some extras
  • Optionally has a length, which is calculated for subsequent operations if possible

Note that this package is for convenience/ interface comfort purposes and does not provide the guarantees of a true functional language. There may be a significant performance overhead to using deeply nested FIt instances in tight loops.

Usage

from f_it import FIt

it = FIt(range(10))
transformed = it.map(  # cube elements
    lambda x: x**3
).filter(  # drop even elements
    lambda x: x % 2
).cycle(  # repeat the whole iterator 3 times
    3
).islice(  # take some elements from the middle
    5, 10
).chain(  # add 0-4 to the end
    range(5)
).chunk(  # separate into 2-length chunks
    2
)

# __add__ and __radd__ are implemented for chaining other Iterators
added = transformed + iter([1, 2, 3])

# nothing has been evaluated yet!

# evaluate operations, reading into a list
# if tqdm is available, show progress bar
as_list = added.progress().to(list)

Project details


Download files

Download the file for your platform. If you're not sure which to choose, learn more about installing packages.

Source Distribution

f_it-0.6.1.tar.gz (14.7 kB view hashes)

Uploaded source

Built Distribution

f_it-0.6.1-py3-none-any.whl (9.2 kB view hashes)

Uploaded py3

Supported by

AWS AWS Cloud computing Datadog Datadog Monitoring Facebook / Instagram Facebook / Instagram PSF Sponsor Fastly Fastly CDN Google Google Object Storage and Download Analytics Huawei Huawei PSF Sponsor Microsoft Microsoft PSF Sponsor NVIDIA NVIDIA PSF Sponsor Pingdom Pingdom Monitoring Salesforce Salesforce PSF Sponsor Sentry Sentry Error logging StatusPage StatusPage Status page