Merge #5928

5928: Add method references CodeLens r=vsrs a=vsrs

The PR adds CodeLens for methods and  free-standing functions:

![method_refs](https://user-images.githubusercontent.com/62505555/91858244-95fbfb00-ec71-11ea-90c7-5b3ee067e305.png)

Relates to #5836

Co-authored-by: vsrs <[email protected]>

2 files changed, 6 insertions, 0 deletions

diff --git a/editors/code/package.json b/editors/code/package.json
index 132664926..bdd8a0c29 100644
--- a/editors/code/package.json
+++ b/editors/code/package.json
@@ -554,6 +554,11 @@
                     "type": "boolean",
                     "default": true
                 },
+                "rust-analyzer.lens.methodReferences": {
+                    "markdownDescription": "Whether to show `Method References` lens. Only applies when `#rust-analyzer.lens.enable#` is set.",
+                    "type": "boolean",
+                    "default": false
+                },
                 "rust-analyzer.hoverActions.enable": {
                     "description": "Whether to show HoverActions in Rust files.",
                     "type": "boolean",
diff --git a/editors/code/src/config.ts b/editors/code/src/config.ts
index 033b04b60..848e92af9 100644
--- a/editors/code/src/config.ts
+++ b/editors/code/src/config.ts
@@ -138,6 +138,7 @@ export class Config {
             run: this.get<boolean>("lens.run"),
             debug: this.get<boolean>("lens.debug"),
             implementations: this.get<boolean>("lens.implementations"),
+            methodReferences: this.get<boolean>("lens.methodReferences"),
         };
     }