Not only is this incredible, it is a great source of learning materials for those of us transitioning from our bad C habits into safe and fast idioms:
Miguel de Icaza
Memory-safe. 13% faster on average. ⚡️ The TrueType hinting interpreter in macOS and iOS has been rewritten in Swift, replacing the original C implementation. Pixel-perfect accuracy was validated across 27 million glyphs. And the results: www.swift.org/blog/migrati...