Fix clippy lint warnings

crates/rojo-insta-ext/src/redaction_map.rs

@@ -5,19 +5,13 @@ use serde::Serialize;
 /// Enables redacting any value that serializes as a string.
 ///
 /// Used for transforming Rojo instance IDs into something deterministic.
+#[derive(Default)]
 pub struct RedactionMap {
     ids: HashMap<String, usize>,
     last_id: usize,
 }
 
 impl RedactionMap {
-    pub fn new() -> Self {
-        Self {
-            ids: HashMap::new(),
-            last_id: 0,
-        }
-    }
-
     pub fn get_redacted_value(&self, id: impl ToString) -> Option<String> {
         let id = id.to_string();
 

src/lua_ast.rs

@@ -22,6 +22,7 @@ trait FmtLua {
     }
 }
 
+#[allow(dead_code)]
 struct DisplayLua<T>(T);
 
 impl<T> fmt::Display for DisplayLua<T>

src/multimap.rs

@@ -19,10 +19,10 @@ impl<K: Hash + Eq, V: Eq> MultiMap<K, V> {
         }
     }
 
-    pub fn get<Q: ?Sized>(&self, k: &Q) -> &[V]
+    pub fn get<Q>(&self, k: &Q) -> &[V]
     where
         K: Borrow<Q>,
-        Q: Hash + Eq,
+        Q: Hash + Eq + ?Sized,
     {
         self.inner.get(k).map(Vec::as_slice).unwrap_or(&[])
     }

src/project.rs

@@ -230,7 +230,7 @@ impl Project {
                 io::ErrorKind::NotFound => Error::NoProjectFound {
                     path: project_path.to_path_buf(),
                 },
-                _ => return e.into(),
+                _ => e.into(),
             })?;
 
             Ok(Some(Self::load_from_slice(&contents, project_path, None)?))
@@ -250,7 +250,7 @@ impl Project {
             io::ErrorKind::NotFound => Error::NoProjectFound {
                 path: project_path.to_path_buf(),
             },
-            _ => return e.into(),
+            _ => e.into(),
         })?;
 
         Ok(Self::load_from_slice(

src/snapshot/patch_compute.rs

@@ -313,7 +313,7 @@ mod test {
         // addition of a prop named Self, which is a self-referential Ref.
         let snapshot_id = Ref::new();
         let snapshot = InstanceSnapshot {
-            snapshot_id: snapshot_id,
+            snapshot_id,
             properties: [("Self".to_owned(), Variant::Ref(snapshot_id))].into(),
 
             metadata: Default::default(),
@@ -351,7 +351,7 @@ mod test {
         // This patch describes the existing instance with a new child added.
         let snapshot_id = Ref::new();
         let snapshot = InstanceSnapshot {
-            snapshot_id: snapshot_id,
+            snapshot_id,
             children: vec![InstanceSnapshot {
                 properties: [("Self".to_owned(), Variant::Ref(snapshot_id))].into(),
 

src/snapshot/tests/apply.rs

@@ -9,7 +9,7 @@ use crate::{
 
 #[test]
 fn set_name_and_class_name() {
-    let mut redactions = RedactionMap::new();
+    let mut redactions = RedactionMap::default();
 
     let mut tree = empty_tree();
     intern_tree(&tree, &mut redactions);
@@ -36,7 +36,7 @@ fn set_name_and_class_name() {
 
 #[test]
 fn add_property() {
-    let mut redactions = RedactionMap::new();
+    let mut redactions = RedactionMap::default();
 
     let mut tree = empty_tree();
     intern_tree(&tree, &mut redactions);
@@ -63,7 +63,7 @@ fn add_property() {
 
 #[test]
 fn remove_property() {
-    let mut redactions = RedactionMap::new();
+    let mut redactions = RedactionMap::default();
 
     let mut tree = empty_tree();
     intern_tree(&tree, &mut redactions);
@@ -85,7 +85,7 @@ fn remove_property() {
             id: tree.get_root_id(),
             changed_name: None,
             changed_class_name: None,
-            changed_properties: [("Foo".to_owned(), None).into()].into(),
+            changed_properties: [("Foo".to_owned(), None)].into(),
             changed_metadata: None,
         }],
         ..Default::default()

src/snapshot/tests/compute.rs

@@ -9,7 +9,7 @@ use crate::snapshot::{compute_patch_set, InstanceSnapshot, RojoTree};
 
 #[test]
 fn set_name_and_class_name() {
-    let mut redactions = RedactionMap::new();
+    let mut redactions = RedactionMap::default();
 
     let tree = empty_tree();
     redactions.intern(tree.get_root_id());
@@ -31,7 +31,7 @@ fn set_name_and_class_name() {
 
 #[test]
 fn set_property() {
-    let mut redactions = RedactionMap::new();
+    let mut redactions = RedactionMap::default();
 
     let tree = empty_tree();
     redactions.intern(tree.get_root_id());
@@ -53,7 +53,7 @@ fn set_property() {
 
 #[test]
 fn remove_property() {
-    let mut redactions = RedactionMap::new();
+    let mut redactions = RedactionMap::default();
 
     let mut tree = empty_tree();
     redactions.intern(tree.get_root_id());
@@ -84,7 +84,7 @@ fn remove_property() {
 
 #[test]
 fn add_child() {
-    let mut redactions = RedactionMap::new();
+    let mut redactions = RedactionMap::default();
 
     let tree = empty_tree();
     redactions.intern(tree.get_root_id());
@@ -113,7 +113,7 @@ fn add_child() {
 
 #[test]
 fn remove_child() {
-    let mut redactions = RedactionMap::new();
+    let mut redactions = RedactionMap::default();
 
     let mut tree = empty_tree();
     redactions.intern(tree.get_root_id());

src/snapshot/tree.rs

@@ -148,7 +148,7 @@ impl RojoTree {
                     // We need to uphold the invariant that each ID can only map
                     // to one referent.
                     if let Some(new) = &metadata.specified_id {
-                        if self.specified_id_to_refs.get(new).len() > 0 {
+                        if !self.specified_id_to_refs.get(new).is_empty() {
                             log::error!("Duplicate user-specified referent '{new}'");
                         }
 
@@ -206,7 +206,7 @@ impl RojoTree {
         }
 
         if let Some(specified_id) = &metadata.specified_id {
-            if self.specified_id_to_refs.get(specified_id).len() > 0 {
+            if !self.specified_id_to_refs.get(specified_id).is_empty() {
                 log::error!("Duplicate user-specified referent '{specified_id}'");
             }
 

src/snapshot_middleware/csv.rs

@@ -177,11 +177,11 @@ Ack,Ack!,,An exclamation of despair,¡Ay!"#,
         )
         .unwrap();
 
-        let mut vfs = Vfs::new(imfs);
+        let vfs = Vfs::new(imfs);
 
         let instance_snapshot = snapshot_csv(
             &InstanceContext::default(),
-            &mut vfs,
+            &vfs,
             Path::new("/foo.csv"),
             "foo",
         )
@@ -209,11 +209,11 @@ Ack,Ack!,,An exclamation of despair,¡Ay!"#,
         )
         .unwrap();
 
-        let mut vfs = Vfs::new(imfs);
+        let vfs = Vfs::new(imfs);
 
         let instance_snapshot = snapshot_csv(
             &InstanceContext::default(),
-            &mut vfs,
+            &vfs,
             Path::new("/foo.csv"),
             "foo",
         )

src/snapshot_middleware/dir.rs

@@ -116,12 +116,11 @@ mod test {
         imfs.load_snapshot("/foo", VfsSnapshot::empty_dir())
             .unwrap();
 
-        let mut vfs = Vfs::new(imfs);
+        let vfs = Vfs::new(imfs);
 
-        let instance_snapshot =
-            snapshot_dir(&InstanceContext::default(), &mut vfs, Path::new("/foo"))
-                .unwrap()
-                .unwrap();
+        let instance_snapshot = snapshot_dir(&InstanceContext::default(), &vfs, Path::new("/foo"))
+            .unwrap()
+            .unwrap();
 
         insta::assert_yaml_snapshot!(instance_snapshot);
     }
@@ -135,12 +134,11 @@ mod test {
         )
         .unwrap();
 
-        let mut vfs = Vfs::new(imfs);
+        let vfs = Vfs::new(imfs);
 
-        let instance_snapshot =
-            snapshot_dir(&InstanceContext::default(), &mut vfs, Path::new("/foo"))
-                .unwrap()
-                .unwrap();
+        let instance_snapshot = snapshot_dir(&InstanceContext::default(), &vfs, Path::new("/foo"))
+            .unwrap()
+            .unwrap();
 
         insta::assert_yaml_snapshot!(instance_snapshot);
     }

src/snapshot_middleware/json.rs

@@ -98,11 +98,11 @@ mod test {
         )
         .unwrap();
 
-        let mut vfs = Vfs::new(imfs.clone());
+        let vfs = Vfs::new(imfs.clone());
 
         let instance_snapshot = snapshot_json(
             &InstanceContext::default(),
-            &mut vfs,
+            &vfs,
             Path::new("/foo.json"),
             "foo",
         )