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Languages & runtimes · #zig
A decision guide for Zig error handling: compare error unions, optionals, and custom result types, then see a concrete parsing example.
Pick the right Zig allocator: use PageAllocator for debug builds to catch memory bugs, and switch to GeneralPurposeAllocator in release for speed and low memory usage. Follow this decision guide and sample build.zig code.
Zig's allocator interface makes the choice local and reversible. Match the allocator to allocation lifetimes: arena for scoped work, the checked general-purpose allocator for independent frees, fixed-buffer for syscall-free determinism — then prove it with a leak-checking test.