Modverse #39

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Check out the new section for nightly updates. If you're not keeping track on the #nightly Discord channel, you can catch up on everything new for the last week in this newsletter.

Blogs, Tutorials, and Videos

• Read a Brief Guide to the Mojo N-Body Example and learn about orbital dynamics, along with Mojo.
• rd4com released a tutorial for the SIMD type on its methods and operators.
• Santiago released a video on running Python code from Mojo.
• Alex published a blog: Reinforcing Learning: Using Mojo🔥 to learn 3x faster

Awesome Mojo

You can discuss these projects with the creators in the Discord forum: #community

• The team working on NuMojo added an NDArray type.
• Andres released raylib bindings.‍
• Frank released zstd bindings and lz4 bindings.‍
• mist, weave, and mog for building TUIs moved to using integers for colors instead of strings, resulting in a 90% performance improvement.
• Shiva released a Mojo package manager: Tenka

Open Source Contributions

Check out all the open source contributions here.  make sure to DM Jack Clayton on Discord if you've had your first PR merged to claim some epic Mojo swag!

Check out the merged contributions this week from our valuable community members:

• @mzaks
  • [stdlib] benchmark sort scalar list
• @gabrieldemarmiesse
  • [stdlib] Be explicit about PythonObject conversions
  • [stdlib] Clarify error message in test_tempfile.mojo
  • [stdlib] Add CollectionElementNew to structs (many PRs)‍‍
• @msaelices‍
  • [stdlib] Implement collections.Counter‍
• @Brian-M-J‍
  • [docs] Fix typos in pointers.ipynb‍
• @lsh
  • [stdlib] Add fill method to Span‍
• @bgreni‍
  • [stdlib] Make UInt Formattable‍
• @martinvuyk‍
  • [stdlib] Add SIMD.__contains__‍
• @helenex‍
  • [stdlib] Fix String.removesuffix("") removing entire string

Nightly Updates

Check out the unreleased changelog here for more details on each change. You can follow changes on the #nightly Discord channel. These are the updates since last week:

• [Stdlib] Introduce time.perf_counter methods and deprecate time.now
• [mojo] Add an exclusive parameter to the pointer types
• [External] [stdlib] Implement collections.Counter (#42560)
• [mojo-stdlib] Adds os.path.makedirs and os.path.removedirs for adding and removing nested directories. Follows Python logic.
• [mojo-stdlib] Add os.path.split and tests, behaves the same as Python equivalent.
• [mojo-stdlib] Adds os.path.expanduser, pathlib.Path.expanduser, and pathlib.Path.home.
• [stdlib] Add math.align_{up,down} overloads for UInt
• [stdlib] Add min and max overload for UInt
• [stdlib] Update changelog with new UInt type
• [mojo-stdlib] Reland again: Add ImplicitlyBoolable trait
  
• [stdlib] Clean up uses of memcmp
• [mojo-lang] Rework setitem/setattr emission to use keyword arguments.
• [mojo-lang] Improve parameter inference for conditional conformances.
• [mojo-stdlib] Fallback for home dir if HOME is not set on POSIX
• [mojo-stdlib] Add the ability to expand a username with os.path.expanduser(~user/folder)
• [stdlib] Remove load from LegacyPointer.
• [mojo-stdlib] Adds the pwd module following Python syntax and behavior.
• [mojo] Update changelog with new Mojo pointer restrictions