yzal
Lazy evaluation for Python.
Usage
To use yzal:
from yzal import lazy, strict
@lazy
def add(x, y):
sum = x + y
print('Adding {:d} + {:d} = {:d}', x, y, sum)The following only creates a Thunk, it does not run the lazy function above.
>>> sum = add(3, 7)There are two ways to get the result of the lazy evaluation. The first is simply to perform an operation that requires a strict value.
>>> 5 + sum
Adding 3 + 7 = 10
15The second way is to explicitly request a strict value.
>>> sum = add(3, 7)
>>> strict(sum)
Adding 3 + 7 = 10
10Requirements
Python 3.4 or greater
Installation
yzal is on PyPI so the best way to install it is:
$ pip install yzalThanks
We wish to thank the following projects, without which yzal would have been much harder to write:
lazy_object_proxy - A fast and thorough lazy object proxy.
1 maintainer
Metadata
1 maintainer
Release files for yzal 0.0.5
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Source distribution (sdist)
| File | Size | Uploaded | Provenance | |
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| yzal-0.0.5.tar.gz | 5.4 kB | Without provenance | Details |
Built distribution (wheel)
| File | Interpreter | ABI | Platform | Reset |
|---|---|---|---|---|
| yzal-0.0.5-py3-none-any.whl | Python 3 | none | any | Details |
Total release size: 10.0 kB
Release files / yzal-0.0.5.tar.gz
| Download URL | yzal-0.0.5.tar.gz |
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| Size | 5.4 kB |
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Release files / yzal-0.0.5-py3-none-any.whl
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| Size | 4.6 kB |
| Tags | Python 3 |
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