[ 源代码： pyrsistent ]
软件包：python3-pyrsistent（0.15.5-1 以及其他的）
persistent/functional/immutable data structures for Python
Pyrsistent is a number of persistent collections (sometimes referred to as functional data structures). Persistent in the sense that they are immutable.
All methods on a data structure that would normally mutate it instead return a new copy of the structure containing the requested updates. The original structure is left untouched.
The collection types and key features currently implemented are:
* PVector, similar to a python list * PMap, similar to dict * PSet, similar to set * PRecord, a PMap on steroids with fixed fields, optional type and invariant checking and much more * PClass, a Python class fixed fields, optional type and invariant checking and much more * Checked collections, PVector, PMap and PSet with optional type and invariance checks and more * PBag, similar to collections.Counter * PList, a classic singly linked list * PDeque, similar to collections.deque * Immutable object type (immutable) built on the named tuple * freeze and thaw functions to convert between pythons standard collections and pyrsistent collections. * Flexible transformations of arbitrarily complex structures built from PMaps and PVectors.
其他与 python3-pyrsistent 有关的软件包
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- dep: libc6 (>= 2.4)
- GNU C 语言运行库：共享库
同时作为一个虚包由这些包填实： libc6-udeb
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- dep: python3
- 交互式高级面向对象语言（默认 python3 版本）
- dep: python3 (<< 3.10)
- dep: python3 (>= 3.9~)
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- dep: python3-six
- Python 2 and 3 compatibility library (Python 3 interface)