Record the decisions made in the underlying tree and return a prefix that can be used for the next Chooser to be used.

Shuffle ``ls`` in place, drawing from ``data``. Reversed Fisher-Yates shuffle: swap each element with itself or with a later element. This s

Helper function to avoid Python variable scoping issues.

Helper function to avoid Python variable scoping issues.

Format `times` into a string representing approximate milliseconds. `times` is a collection of durations in seconds.

An internal version of builds(), specialised for Attrs classes.

Infer a strategy from the metadata on an attr.Attribute object.

Returns the result of producer, or ... if recursion on thing is encountered

Get an attrs attribute by its alias, rather than its name (compare getattr(fields, name)). ``target`` is used only to provide a nicer er

Get names of all terminals in the grammar. The arguments are the results of calling ``Lark.grammar.compile()``, so you would think that the `

Run a full set of greedy shrinks (that is, ones that will only ever move to a better target) and update shrink_target appropriately.

Returns one of "dark", "light", or "unknown". This is basically just guessing, but better than always guessing "dark"! See also https://stack

An example user strategy built on top of mutually_broadcastable_shapes.

E.g. (i,j),(j,k)->(i,k) becomes ...ij,...jk->...ik

The main hill climbing loop where we actually do the work: Take data, and attempt to improve its score for target. select_example takes

Decorator to update the attributes of a function so that to external introspectors it will appear to be the target function. Note that this u

Returns a dictionary of array module names paired to their entry points A convenience wrapper for importlib.metadata.entry_points(). It has the

Decorator to apply an invariant for rules in a RuleBasedStateMachine. The decorated function will be run after every rule and can raise an exc

r"""Generate IP addresses - ``v=4`` for :class:`~python:ipaddress.IPv4Address`\ es, ``v=6`` for :class:`~python:ipaddress.IPv6Address`\ es, or lea

Returns whether this strategy is currently empty. Unlike ``empty``, which is computed based on static information and cannot change,

Check the arguments to ``@given`` for basic usage constraints. Most errors are not raised immediately; instead we return a dummy test functio

Returns True if the key is currently pinned.