Sohu Tech Products
Jan 11, 2023 · Mobile Development
Deep Dive into Swift Array Implementation and Copy‑On‑Write Mechanics
This article provides a comprehensive, low‑level exploration of Swift's Array type, detailing its memory layout, the SIL generation process, buffer allocation, internal structures such as _ArrayBuffer and _ContiguousArrayStorage, and the copy‑on‑write behavior that governs mutation and reference counting.
Low-Level DebuggingMemory ManagementSIL
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