📜 WAYPOINT LESSON
Checkpoint: performance
⭐⭐⭐ advanced⏳ 12 min read📍 Lesson 221 of 265
Synthesis: optimize against a measured baseline and prove the win numerically.
Checkpoint: performance
The graded task is the minimal honest harness made mandatory: a warmup call, an allocation window, and an implementation that survives a zero-intermediate-allocations audit. Practice adds the interface-vs-span dispatch comparison and a LINQ-vs-loop verdict you produce from your own numbers.