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kotlin-tooling-immutable-collections-0-5-x-migration

kotlin/kotlin-a…t-skills

Migrate Kotlin (and Java) code from kotlinx.collections.immutable 0.3.x / 0.4.x to the latest 0.5.x. The 0.5.x line renames every copy-returning method on PersistentList / PersistentMap / PersistentSet / PersistentCollection to a participial form per KEEP-0459 (add→adding, removeAt→removingAt, set→replacingAt, put→putting, clear→cleared, …) and deprecates the old names (WARNING, with ReplaceWith). Driven by the compiler: bump the version, recompile, and apply the rename each deprecation warning names. Use when the user mentions kotlinx.collections.immutable 0.5.x, PersistentList migration, "Use adding() instead", KEEP-0459, or sees deprecation warnings from kotlinx.collections.immutable.

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安装命令

npx skills add https://github.com/kotlin/kotlin-agent-skills --skill kotlin-tooling-immutable-collections-0-5-x-migration

SKILL.md

kotlinx.collections.immutable 0.5.x Migration

The 0.5.x line renames every copy-returning method on the persistent collections to a participial form (per [KEEP-0459]) and deprecates the old names at WARNING level with a ReplaceWith hint. Migrating is a mechanical, binary-compatible, semantics-preserving call-site rename — same parameters, order, and return type; only the name changes.

Drive it from the compiler: bump the version, recompile, and fix each deprecation warning — the warning names the replacement. Source of truth: [0.5.0-MIGRATION.md].

When it applies

Check the version the project currently uses:

  • 0.3.x or 0.4.x (any pre-0.5.0) → run the migration below.
  • On 0.5.x but not the latest → set the version to the latest 0.5.x and stop. All 0.5.x releases share the same renames, so a within-line bump adds no new deprecations and needs no recompile.
  • On the latest 0.5.x, or on 0.6.x and later → nothing to do.