Kotlin 語言特性與提案

JetBrains 根據 Kotlin 語言演進原則演進 Kotlin 語言，並以務實的設計為指導。

備註

語言特性提案列於 Kotlin 1.7.0 及更高版本。

請參閱 Kotlin 演進原則文檔中關於語言特性狀態的說明。

探索與設計 (Exploration and design)	Kotlin 靜態和靜態擴展 (Kotlin statics and static extensions) KEEP 提案：statics.md YouTrack issue: KT-11968
探索與設計 (Exploration and design)	集合字面量 (Collection literals) KEEP 提案：未定義 (Not defined) YouTrack issue: KT-43871
探索與設計 (Exploration and design)	錯誤和異常的聯合類型 (Union types for errors and exceptions) KEEP 提案：未定義 (Not defined) YouTrack issue: KT-68296
探索與設計 (Exploration and design)	基於名稱的解構 (Name-based destructuring) KEEP 提案：未定義 (Not defined) YouTrack issue: KT-19627
探索與設計 (Exploration and design)	支持不可變性 (Support immutability) KEEP notes: immutability YouTrack issue: KT-1179
KEEP 討論 (KEEP discussion)	KMP Kotlin-to-Java 直接實現 (KMP Kotlin-to-Java direct actualization) KEEP 提案：kmp-kotlin-to-java-direct-actualization.md YouTrack issue: KT-67202
KEEP 討論 (KEEP discussion)	kotlin.time.Instant KEEP 提案：Instant and Clock
KEEP 討論 (KEEP discussion)	Common Atomics and Atomic Arrays KEEP 提案：Common atomics YouTrack issue: KT-62423
KEEP 討論 (KEEP discussion)	改進屬性上的註解使用位置目標 (Improvements to annotation use-site targets on properties) KEEP 提案：Improvements to annotation use-site targets on properties YouTrack issue: KT-19289
KEEP 討論 (KEEP discussion)	嵌套（非捕獲）類型別名 (Nested (non-capturing) type aliases) KEEP 提案：Nested (non-capturing) type aliases YouTrack issue: KT-45285
KEEP 討論 (KEEP discussion)	簡化 KDoc 歧義連結 (Streamline KDoc ambiguity links) KEEP 提案：streamline-KDoc-ambiguity-references.md GitHub issues: dokka/#3451, dokka/#3179, dokka/#3334
KEEP 討論 (KEEP discussion)	解析 KDoc 中擴展的連結 (Resolution of links to extensions in KDoc) KEEP 提案：links-to-extensions.md GitHub issue: dokka/#3555
KEEP 討論 (KEEP discussion)	Uuid KEEP 提案：uuid.md YouTrack issue: KT-31880
KEEP 討論 (KEEP discussion)	使用預期類型改進解析 (Improve resolution using expected type) KEEP 提案：improved-resolution-expected-type.md YouTrack issue: KT-16768
KEEP 討論 (KEEP discussion)	在 JVM 中公開 boxed inline value classes KEEP 提案：jvm-expose-boxed.md YouTrack issue: KT-28135
KEEP 討論 (KEEP discussion)	顯式後端欄位：同一屬性的 `public` 和 `private` 類型 (Explicit backing fields: both `public` and `private` type for the same property) KEEP 提案：explicit-backing-fields.md YouTrack issue: KT-14663
KEEP 討論 (KEEP discussion)	Context parameters: support for context-dependent declarations KEEP 提案：context-parameters.md YouTrack issue: KT-14663
KEEP 討論 (KEEP discussion)	Java synthetic property references KEEP 提案：references-to-java-synthetic-properties.md YouTrack issue: KT-8575 Target version: 2.2.0
預覽中 (In preview)	when-with-subject 中的 Guard 條件 (Guard conditions in when-with-subject) KEEP 提案：guards.md YouTrack issue: KT-13626 Available since: 2.1.0
穩定 (Stable)	穩定 `@SubclassOptInRequired` KEEP 提案：subclass-opt-in-required.md YouTrack issue: KT-54617 Available since: 2.1.0
預覽中 (In preview)	Multidollar interpolation: improved handling of `${}` in string literals KEEP 提案：dollar-escape.md YouTrack issue: KT-2425 Available since: 2.1.0
預覽中 (In preview)	Non-local `break` and `continue` KEEP 提案：break-continue-in-inline-lambdas.md YouTrack issue: KT-1436 Available since: 2.1.0
穩定 (Stable)	`Enum.entries`: `Enum.values()` 的高效替代方案 KEEP 提案：enum-entries.md YouTrack issue: KT-48872 Target version: 2.0.0
穩定 (Stable)	Data objects KEEP 提案：data-objects.md YouTrack issue: KT-4107 Target version: 1.9.0
穩定 (Stable)	RangeUntil operator `..<` KEEP 提案：open-ended-ranges.md YouTrack issue: KT-15613 Target version: 1.7.20
穩定 (Stable)	Definitely non-nullable types KEEP 提案：definitely-non-nullable-types.md YouTrack issue: KT-26245 Target version: 1.7.0
已撤銷 (Revoked)	Context receivers KEEP 提案：context-receivers.md YouTrack issue: KT-10468