Fix clippy warnings

src/graph/builder.rs

@@ -24,6 +24,7 @@ pub struct Options {}
 
 #[derive(Debug)]
 pub struct Builder<'a> {
+    #[allow(dead_code)]
     options: Options,
     db: &'a RootDatabase,
     vfs: &'a Vfs,

src/graph/edge.rs

@@ -33,24 +33,3 @@ impl fmt::Display for EdgeKind {
 pub struct Edge {
     pub kind: EdgeKind,
 }
-
-impl Edge {
-    pub fn merge_with(&mut self, other: &Edge) {
-        match (self.kind, other.kind) {
-            (EdgeKind::Uses, EdgeKind::Uses) => {
-                self.kind = EdgeKind::Uses;
-            }
-            (EdgeKind::Uses, EdgeKind::Owns)
-            | (EdgeKind::Owns, EdgeKind::Uses)
-            | (EdgeKind::Owns, EdgeKind::Owns) => {
-                self.kind = EdgeKind::Owns;
-            }
-        }
-    }
-
-    pub fn merged_with(&self, other: &Edge) -> Self {
-        let mut clone = self.clone();
-        clone.merge_with(other);
-        clone
-    }
-}

src/graph/node.rs

@@ -16,18 +16,10 @@ impl Node {
         Self { item }
     }
 
-    pub fn display_name(&self) -> String {
-        self.item.display_name()
-    }
-
     pub fn display_path(&self) -> String {
         self.item.display_path()
     }
 
-    pub fn crate_display_name(&self) -> String {
-        self.item.crate_display_name()
-    }
-
     pub fn kind_display_name(&self, db: &RootDatabase) -> Option<String> {
         self.item.kind_display_name(db)
     }

src/item.rs

@@ -85,13 +85,6 @@ impl Item {
         self.path.join("::")
     }
 
-    pub fn crate_display_name(&self) -> String {
-        self.path
-            .first()
-            .expect("Expected path with at least one component")
-            .clone()
-    }
-
     pub fn kind_display_name(&self, db: &RootDatabase) -> Option<String> {
         let Some(module_def) = self.hir else {
             return None;