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tree is a library for working with nested data structures
Tree (dm-tree) is a lightweight Python library developed by Google DeepMind for manipulating nested data structures (also called pytrees). It generalizes Python’s built-in map function to operate over arbitrarily nested collections — including lists, tuples, dicts, and custom container types — while preserving their structure. This makes it particularly useful in machine learning pipelines and JAX-based workflows, where complex parameter trees or hierarchical state representations are common. ...
...It supports a great number of programming languages, including C++, C#, C, Go, Java, Kotlin, JavaScript, Lobster, Lua, TypeScript, PHP and many others in progress.
UMIL provides two things: It eases the embedding the XULRunner/Mozilla into wxWidgets-based Projects an provides an abstraction to switch between Google and OSM (OpenStreetMap) maps. UMIL is implemented in c++ based on wxWidgets and XULRunner.