Release v3.0.4

[evhub]

This is primarily a bugfix release to resolve #804. See Coconut's documentation for more information on all of the features listed below.

Language changes:

• where should use temporary variable names #784: where statements now use temporary variable names to limit the scope of contained assignments.
• Add an async_map function utilizing anyio #795: New async_map function utilizing anyio to work with asyncio or trio.
• Add mapreduce, improve collectby and process_map/thread_map #793: New mapreduce, collectby.using_threads, collectby.using_processes, mapreduce.using_threads, and mapreduce.using_processes built-ins.
• Support method then indexing implicit partials #787: Support for .method[index] implicit partials.
• Rename recursive_iterator to recursive_generator #749, Rename parallel_map to process_map and concurrent_map to thread_map #792: Some built-ins have been renamed for clarity (the old names will still work unless --strict is passed). Specifically:
  • recursive_iterator -> recursive_generator
  • parallel_map -> process_map
  • concurrent_map -> thread_map
• Partial application should preserve __name__s #797: Partial application objects now preserve the original function's __name__ attribute.
• Use exceptiongroup to backport ExceptionGroup/BaseExceptionGroup #789: Coconut will automatically backport ExceptionGroup using the exceptiongroup module.

Compiler changes:

• Use incremental parsing #772: Substantial improvements to recompilation speed for most files.
• Add api.find_packages and api.find_and_compile_packages #798: New api.find_packages and api.find_and_compile_packages utilities for working with Coconut packages.
• Add --fail-fast compilation option #803: New --fail-fast option to fail upon the first error when compiling multiple files.
• Remove --history-file option #778: The --history-file command-line option has been removed; use COCONUT_HISTORY_FILE environment variable if you really need it.

Bugfixes:

• AttributeError: 'frozenset' object has no attribute 'append' #804: Fixed an incompatibility with new cPyparsing versions.
• StyleError for unused imports quotes almost entire file in output #781, Improve exception formatting #794: Improved formatting for compilation errors/warnings.
• Add support for override with classmethod and staticmethod #800: override now works in conjunction with classmethod and staticmethod.