Merge #889

889: Refactor assits r=matklad a=matklad

* assign unique IDs to assists so that clients could do custom stuff
* specify kinds for assists, 
* make introduce_variable a `refactoring.extract` and make it available only when expression is selected
* introduce marks to assists

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

1 files changed, 2 insertions, 2 deletions

diff --git a/crates/ra_assists/src/add_impl.rs b/crates/ra_assists/src/add_impl.rs
index b40b9cc0c..b292f188d 100644
--- a/crates/ra_assists/src/add_impl.rs
+++ b/crates/ra_assists/src/add_impl.rs
@@ -5,12 +5,12 @@ use ra_syntax::{
     TextUnit,
 };
 
-use crate::{AssistCtx, Assist};
+use crate::{AssistCtx, Assist, AssistId};
 
 pub(crate) fn add_impl(mut ctx: AssistCtx<impl HirDatabase>) -> Option<Assist> {
     let nominal = ctx.node_at_offset::<ast::NominalDef>()?;
     let name = nominal.name()?;
-    ctx.add_action("add impl", |edit| {
+    ctx.add_action(AssistId("add_impl"), "add impl", |edit| {
         edit.target(nominal.syntax().range());
         let type_params = nominal.type_param_list();
         let start_offset = nominal.syntax().range().end();