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Previously, interned values were represented as AIR instructions using the `interned` tag. Now, the AIR ref directly encodes the InternPool index. The encoding works as follows: * If the ref matches one of the static values, it corresponds to the same InternPool index. * Otherwise, if the MSB is 0, the ref corresponds to an InternPool index. * Otherwise, if the MSB is 1, the ref corresponds to an AIR instruction index (after removing the MSB). Note that since most static InternPool indices are low values (the exceptions being `.none` and `.var_args_param_type`), the first rule is almost a nop.
A general-purpose programming language and toolchain for maintaining robust, optimal, and reusable software.
Resources
- Introduction
- Download & Documentation
- Chapter 0 - Getting Started | ZigLearn.org
- Community
- Contributing
- Code of Conduct
- Frequently Asked Questions
- Community Projects
Installation
- download a pre-built binary
- install from a package manager
- build from source
- bootstrap zig for any target
License
The ultimate goal of the Zig project is to serve users. As a first-order effect, this means users of the compiler, helping programmers to write better software. Even more important, however, are the end-users.
Zig is intended to be used to help end-users accomplish their goals. Zig should be used to empower end-users, never to exploit them financially, or to limit their freedom to interact with hardware or software in any way.
However, such problems are best solved with social norms, not with software licenses. Any attempt to complicate the software license of Zig would risk compromising the value Zig provides.
Therefore, Zig is available under the MIT (Expat) License, and comes with a humble request: use it to make software better serve the needs of end-users.
This project redistributes code from other projects, some of which have other licenses besides MIT. Such licenses are generally similar to the MIT license for practical purposes. See the subdirectories and files inside lib/ for more details.