Guides Zig code writing, review, and migration against version-specific official practices.
npx skills add https://github.com/kohdice/dotfiles --skill zig-idioms-kohdice
Please help me install this Agent Skill. Skill: zig-idioms Source: https://github.com/kohdice/dotfiles/tree/main/config/agents/skills/zig-idioms Command: npx skills add https://github.com/kohdice/dotfiles --skill zig-idioms-kohdice
build.zig.zon for minimum_zig_version and checks zig version before writing or reviewing any code, refusing APIs introduced after the declared minimum. - std.Io migration catalog: Provides verified 0.16.0 call shapes for the "I/O as an Interface" rewrite, including std.process.Init main signatures, Io.Dir.readFileAlloc, and buffered stdout writers. - Structured review reports: Emits findings tagged [error], [warn], [recommend], or [gated-option], each citing the exact Zig version that removed, deprecated, or introduced the API. - Use Case: When reviewing a Zig project declaring minimum_zig_version = "0.15.1", the Skill flags usingnamespace as [error], @cImport as a 0.16-gated concern, and suggests unmanaged std.ArrayList patterns compatible with the baseline. ## Quick Start Ask the AI to review or refactor the Zig code in this project using the zig-idioms skill, respecting the minimum Zig version declared in build.zig.zon.High-intent search queries and answers about installing and using this skill.
Thread an `Io` instance from the entry point through the call chain, using `std.process.Init` in main for CLI executables or `std.Io.Threaded` for manual bootstrap. Replace `std.fs.cwd()` with `std.Io.Dir.cwd()` and use `Io.Dir.readFileAlloc` for whole-file reads.
Read `build.zig.zon` for `minimum_zig_version` and check `zig version` first, then flag any API introduced after that minimum. Tag findings as error, warn, recommend, or gated-option, citing the Zig version that removed or deprecated each API.
Zig 0.15 removed `usingnamespace` in favor of explicit re-declarations or namespaced access, and removed the `async`/`await` keywords in favor of `std.Io` async APIs. Code claiming 0.15 or newer support must not contain either construct.
Since Zig 0.15, `std.ArrayList(T)` is unmanaged: initialize it with the `.empty` declaration literal and pass an explicit allocator to `append` and `deinit`. The `std.array_list.Managed` alias remains but is deprecated.
`@cImport` is deprecated in Zig 0.16; C header translation should use `b.addTranslateC()` in build.zig instead. On a 0.16 baseline it is a warn-level finding with an official replacement.
Verify when the project's minimum version exceeds the catalog coverage version, when an unlisted API is boundary-relevant near the baseline, or when a catalog entry conflicts with compiler behavior. Prefer inspecting installed std sources found via `zig env`.
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