* initial implementation of deep validators for iterables and dictionaries
* initial implementation of is_callable validator
* add versionadded for deep validators
* add versionadded for is_callable validator
* add tests for is_callable validator
* tweak _DeepIterable repr
* add tests for deep_iterable
* add to _DeepDictionary an initial validation that the top-level value is in fact a dictionary
* add tests for deep_dictionary validator
* apply precommit hooks
* refactor deep_dictionary to deep_mapping with optional mapping validator
* move is_callable validator up in module to allow deep validators to use it
* complete conversion from "deep dictionary" to "deep mapping"
* add changelog.d entry for #425
* fix rst formatting and normalize to semantic newlines
* add "instance_of", "deep_iterable", and "deep_mapping" validators to docs/api.rst
* add "serve-docs" tox environment to preview rendered sphinx docs
* bump versionadded for is_callable and deep validators to 18.3.0
* linting cleanup
* Revert "add "serve-docs" tox environment to preview rendered sphinx docs"
This reverts commit a2df89b788fdc31b54e604095c166b6a37c56f19.
* fix error message broken in linting fix
* First stab at implementing hashcode caching (#423)
Currently all existing tests pass but no cache_hash tests have yet
been added.
* Existing hash tests now pass on cache_hash classes
* Add towncrier change log
* Add documentation for cache_hash
* Fixes bug with check that init=True if cache_hash=True
* Fix long lines
* Fix documentation issues
* Add test for cache_hash requiring init
* Improve test coverage
* Remove now unnecessary 'pass'
* Add periods to the end of exception strings
* Add test docstrings for cache_hash tests
* Clarify documentation of cache_hash
* Recommend that hashable classes be frozen
* Fix test references for exception messages
Matt Bullock