Support destructuring patterns

crates/ra_lsp_server/src/main_loop/handlers.rs

@@ -900,6 +900,9 @@ pub fn handle_inlay_hints(
                 ra_ide_api::InlayKind::ForExpressionBindingType => {
                     InlayKind::ForExpressionBindingType
                 }
+                ra_ide_api::InlayKind::IfExpressionType => InlayKind::IfExpressionType,
+                ra_ide_api::InlayKind::WhileLetExpressionType => InlayKind::WhileLetExpressionType,
+                ra_ide_api::InlayKind::MatchArmType => InlayKind::MatchArmType,
             },
         })
         .collect())

crates/ra_lsp_server/src/req.rs

@@ -216,6 +216,9 @@ pub enum InlayKind {
     LetBindingType,
     ClosureParameterType,
     ForExpressionBindingType,
+    IfExpressionType,
+    WhileLetExpressionType,
+    MatchArmType,
 }
 
 #[derive(Debug, Deserialize, Serialize)]