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dimgigov 53b43b0f79 feat: lifetime elision, tooling CI, registry, and LSP locals

Ship the QUALITY_PLAN stretch from ownership through ecosystem: C.1
lifetime elision (bootstrap + selfhost), bux fmt/test/doc CI hooks,
stdlib goldens, package registry (bux search/add), and LSP 0.4
position-sensitive locals with inferred let types. Full-tree format
pass plus Map/Set remove double-free fix.

2026-07-19 16:35:08 +03:00

2.1 KiB

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Bux Semantic Versioning Policy

Status: Draft for v0.x → v1.0 freeze (E.3)

Bux follows Semantic Versioning 2.0.0 with the clarifications below.

Version numbers

MAJOR.MINOR.PATCH[-prerelease]

Component	When it increases
MAJOR	Breaking language / stdlib / CLI changes
MINOR	Backward-compatible features
PATCH	Backward-compatible bug fixes

During 0.x (pre-1.0):

0.MINOR.PATCH — MINOR may still introduce breaking changes (documented in the release notes and MIGRATION_*.sh when needed).
Prefer deprecation warnings for at least one MINOR before removal when practical.

After 1.0.0 (language freeze):

Breaking changes require a MAJOR bump and a migration guide.
The Language Reference is the normative spec; compiler bugs that contradict the ref are fixed without a MAJOR bump.

What counts as “breaking”

Removing or renaming a public stdlib symbol
Changing the type or semantics of a public API
Changing CLI flags that scripts rely on (build, test, fmt --check, …)
Changing bux.toml / bux.lock fields in an incompatible way
Changing the fat func / tuple C ABI in a way that breaks linked code

Not breaking:

New keywords that were previously valid identifiers only if reserved carefully (prefer contextual keywords)
New diagnostics / stricter @[Checked] (document; may be gated)
Formatter whitespace-only changes

Package versions (registry)

Registry packages use the same MAJOR.MINOR.PATCH scheme.

bux add foo / bux add foo 0.1 resolution:

Request	Matches
`*` / omitted	Latest entry for `foo` in the index
`0.1.1`	Exact version
`0.1`	First version with that prefix (e.g. `0.1.1`)

Lockfiles pin the resolved version and source path/URL.

Release checklist (maintainers)

Update docs/LanguageRef.md if behaviour changed
Update docs/QUALITY_PLAN.md / changelog notes
Run make test (includes fmt-check, examples, goldens)
Run make selfhost-loop
Tag vMAJOR.MINOR.PATCH

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