Merge #6746

6746: Feature/add assist extract module to file r=matklad a=sasurau4

Fix #6522 

## Screenshot

<img src="https://user-images.githubusercontent.com/13580199/102748269-33a44300-43a5-11eb-9e37-f5fcb8e62f73.gif" width=600 />


## TODO

- [x] Remove all TODO comment
- [x] Pass the doc test



Co-authored-by: Daiki Ihara <[email protected]>

2 files changed, 2 insertions, 0 deletions

diff --git a/crates/ide/src/diagnostics.rs b/crates/ide/src/diagnostics.rs
index 049f808dc..3ad30f0c9 100644
--- a/crates/ide/src/diagnostics.rs
+++ b/crates/ide/src/diagnostics.rs
@@ -619,6 +619,7 @@ fn test_fn() {
                                                 ),
                                                 path: "foo.rs",
                                             },
+                                            initial_contents: "",
                                         },
                                     ],
                                     is_snippet: false,
diff --git a/crates/ide/src/diagnostics/fixes.rs b/crates/ide/src/diagnostics/fixes.rs
index e8b896623..d79f5c170 100644
--- a/crates/ide/src/diagnostics/fixes.rs
+++ b/crates/ide/src/diagnostics/fixes.rs
@@ -40,6 +40,7 @@ impl DiagnosticWithFix for UnresolvedModule {
                     anchor: self.file.original_file(sema.db),
                     path: self.candidate.clone(),
                 },
+                initial_contents: "".to_string(),
             }
             .into(),
             unresolved_module.syntax().text_range(),