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Package model: versioned dependency resolution beyond stdlib @use #146
Description
Problem
@use currently resolves only stdlib modules. There is no mechanism for user-defined or third-party packages with versioning, no lockfile integration for external deps, and no path toward an ecosystem.
Acceptance Criteria
- Defined package manifest format (e.g.
nls.tomlornlspackage.nl) -
@use package_name@versionsyntax works for local and registered packages - Lockfile captures external dependency hashes
-
nlsc installor equivalent resolves and pins dependencies - Does not require the full package registry (that's v1.0 feat: ANLU package registry #27)
Why This Blocks v0.5
Ecosystem depth requires a package model. Without it, users are permanently limited to stdlib.
Activity
Merge pull request #246 from Mnehmos/feat/146-package-model
Mnehmos commentedon Sep 12, 2026
Slice 1 landed (PR #246). Against this issue's acceptance criteria:
nls.pkg.json(nls.pkg/1): project name/version anddependenciesmapping dotted package names to a local path plus a semver constraint (*, exact,^,~).@use package_name@versionsyntax works for local packages —@use <package>.<domain>resolves inside the dependency root (longest dot-boundary prefix;v{major}/<domain>.nllayout) before stdlib roots. Version pinning is by manifest constraint: each dependency's own manifest version is checked (EPKG003); the inline@versionspelling from the issue text is not implemented — the constraint lives in the manifest, and@usekeeps the Standard Library Structure (@useDirectives) #90 grammar.nls.pkg.lockrecords each dependency's resolved version, manifest-relative path, and a content hash;nlsc install --checkreports drift (EPKG004).nlsc installor equivalent resolves and pins dependencies — implemented, with project-root discovery from subdirectories.Remaining in this issue's scope for the next slice: symbol linking (imported ANLUs resolve and lock but are not yet merged into the caller's symbol table, so cross-package calls are not possible), and version-pinned
@usespelling if the manifest constraint proves insufficient in practice. Keeping the issue open for the linking slice; the limitation is documented indocs/packages.md.