Zig is an open-source programming language designed for robustness,
optimality, and clarity.
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- Manual memory management. Memory allocation failure is handled correctly. Edge cases matter!
- Zig competes with C instead of depending on it. The Zig Standard Library does not depend on libc.
- Small, simple language. Focus on debugging your application rather than debugging your knowledge of your programming language.
- A fresh take on error handling that resembles what well-written C error handling looks like,
minus the boilerplate and verbosity.
- Debug mode optimizes for fast compilation time and crashing with a stack trace when undefined behavior
- Concurrency via coroutines. Async/await is thread-safe, non-blocking, and makes no syscalls, and therefore available in freestanding mode.
You can multiplex coroutines onto a thread pool in userland for M:N concurrency.
- ReleaseFast mode produces heavily optimized code. What other projects call
"Link Time Optimization" Zig does automatically.
- ReleaseSafe mode produces optimized code but keeps safety checks enabled. Disable safety checks in the bottlenecks of your code.
- Generic data structures and functions.
- Compile-time reflection and compile-time code execution. No preprocessor.
- Import .h files and directly use C types, variables, and functions.
- Export functions, variables, and types for C code to depend on. Automatically generate .h files.
- Nullable type instead of null pointers.
- Order independent top level declarations.
- Friendly toward package maintainers. Reproducible build, 3-step bootstrapping process.
- Cross-compiling is a first-class use case.
Zig in the Wild