Merge #20

20: Changelog 5 r=matklad a=matklad

bors r+

Co-authored-by: Aleksey Kladov <[email protected]>

Author: bors[bot]

thisweek/_posts/2019-12-30-changelog-5.md

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+---
+layout: post
+title:  "Changelog #5"
+date:   2019-12-30 03:12:00 +0100
+---
+
+Commit: [`9cad88d`](https://github.com/rust-analyzer/rust-analyzer/commit/9cad88dd95773f9ede6233fd7d0f3a076c5cda61)
+
+## New Features
+
+* [`#2668`](https://github.com/rust-analyzer/rust-analyzer/pull/2668) move `cargo watch` integration to the server side. Now it is available for every editor, and not only for VS Code.
+* [`#2661`](https://github.com/rust-analyzer/rust-analyzer/pull/2661) type inference for `async` functions.
+* [`#2663`](https://github.com/rust-analyzer/rust-analyzer/pull/2663) "add missing impl members" assists now substitutes type parameters.
+* [`#2657`](https://github.com/rust-analyzer/rust-analyzer/pull/2657) type hints for closures are less verbose.
+* [`#2667`](https://github.com/rust-analyzer/rust-analyzer/pull/2667) account for visibility modifiers during name resolution.
+* [`#2061`](https://github.com/rust-analyzer/rust-analyzer/pull/2061) use existing TextMate scopes infrastructure for color theme customization.
+
+## Fixes
+
+* [`#2658`](https://github.com/rust-analyzer/rust-analyzer/pull/2658) don't pass empty set of features to Cargo.
+* [`#2673`](https://github.com/rust-analyzer/rust-analyzer/pull/2673) correctly don't add parent item to the scope of a nested item.
+* [`#2650`](https://github.com/rust-analyzer/rust-analyzer/pull/2650) correctly display types of macro call expressions.
+
+## Internal Improvements
+
+* [`#2679`](https://github.com/rust-analyzer/rust-analyzer/pull/2679) use lang-items infrastructure for resolving known traits.
+* [`#2684`](https://github.com/rust-analyzer/rust-analyzer/pull/2684) simplify build process for the TypeScript extension.