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`@receiver staticPart: `@arg2 `anyKeywordPart: `@arg1It’s incredibly powerful. But how do you remember all of this?
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The quadtree is the two-dimensional case of a broader family of space-partitioning data structures. Octrees extend the same idea to three dimensions (splitting cubes into eight children), KD-trees use alternating axis-aligned splits (splitting along x, then y, then x again), and R-trees group nearby objects into bounding rectangles. Each variant makes different tradeoffs between construction time, query speed, and update cost.
Health Secretary Wes Streeting has promised to act on her final recommendations, which will be published in June.