This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
Latest Version Dependencies status unknown Test status unknown Test coverage unknown
Project Description

An easy way to make lambdas by partial application of python operators.

Inspired by Perl 6 one, see http://perlcabal.org/syn/S02.html#The_Whatever_Object

Usage

from whatever import _, that

# get a list of guys names
names = map(_.name, guys)
names = map(that.name, guys)

odd = map(_ * 2 + 1, range(10))

squares = map(_ ** 2, range(100))
small_squares = filter(_ < 100, squares)

best = max(tries, key=_.score)
sort(guys, key=-that.height)

factorial = lambda n: reduce(_ * _, range(2, n+1))

NOTE: chained comparisons cannot be implemented since there is no boolean overloading in python.

CAVEATS

In some special cases whatever can cause confusion:

_.attr # this makes callable
obj._  # this fetches '_' attribute of obj

_[key] # this works too
d[_]   # KeyError, most probably

_._    # short for attrgetter('_')
_[_]   # short for lambda d, k: d[k]

if _ == 'Any value':
    # You will get here, definitely
    # `_ == something` produces callable, which is true

[1, 2, _ * 2, None].index('hi') # => 2, since bool(_ * 2 == 'hi') is True

Also, whatever sometimes fails on late binding:

(_ * 2)('2') # -> NotImplemented
Release History

Release History

0.4.2

This version

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0.4.1

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0.4

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0.3

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0.2.2

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0.2.1

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0.2

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0.1

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
whatever-0.4.2.tar.gz (5.0 kB) Copy SHA256 Checksum SHA256 Source Nov 9, 2016

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