Due to rapid development, we had been suffering from a major problem: Swift 2 iOS apps can only run on Xcode 7 which is not officially compatible with macOS Sierra or above (the most disturbing thing being the Instruments profiling tool will always crash ... (more…)
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Soon after Swift was initially open sourced, I wrote an article about how weak references are implemented. Time moves on and things change, and the implementation is different from what it once was. Today I'm going to talk about the current implementation... (more…)
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The Swift type-checker remains a performance bottleneck for compile times, though it has improved tremendously over the past two years. You could even say the type-checker has gone from being drunk to sober. To help users debug these issues, awhile... (more…)
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