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-rw-r--r--tvix/eval/benches/eval.rs19
-rw-r--r--tvix/eval/src/builtins/mod.rs17
-rw-r--r--tvix/eval/src/compiler/bindings.rs3
-rw-r--r--tvix/eval/src/compiler/mod.rs6
-rw-r--r--tvix/eval/src/errors.rs13
-rw-r--r--tvix/eval/src/lib.rs2
-rw-r--r--tvix/eval/src/nix_search_path.rs1
-rw-r--r--tvix/eval/src/pretty_ast.rs62
-rw-r--r--tvix/eval/src/systems.rs7
-rw-r--r--tvix/eval/src/tests/mod.rs14
-rw-r--r--tvix/eval/src/tests/nix_tests/notyetpassing/eval-okay-readDir.nix.disabled (renamed from tvix/eval/src/tests/nix_tests/notyetpassing/eval-okay-readDir.nix)0
-rw-r--r--tvix/eval/src/value/attrs.rs1
-rw-r--r--tvix/eval/src/value/function.rs2
-rw-r--r--tvix/eval/src/value/mod.rs4
-rw-r--r--tvix/eval/src/value/string.rs2
-rw-r--r--tvix/eval/src/value/thunk.rs10
-rw-r--r--tvix/eval/src/vm.rs14
17 files changed, 69 insertions, 108 deletions
diff --git a/tvix/eval/benches/eval.rs b/tvix/eval/benches/eval.rs
index 006038490df4..f85e3585f017 100644
--- a/tvix/eval/benches/eval.rs
+++ b/tvix/eval/benches/eval.rs
@@ -2,23 +2,23 @@ use criterion::{black_box, criterion_group, criterion_main, Criterion};
 use itertools::Itertools;
 
 fn interpret(code: &str) {
-    tvix_eval::Evaluation::new(code).evaluate()
+    tvix_eval::Evaluation::new(code, None).evaluate();
 }
 
 fn eval_literals(c: &mut Criterion) {
     c.bench_function("int", |b| {
-        b.iter(|| black_box(interpret("42", None, Default::default())))
+        b.iter(|| {
+            interpret("42");
+            black_box(())
+        })
     });
 }
 
 fn eval_merge_attrs(c: &mut Criterion) {
     c.bench_function("merge small attrs", |b| {
         b.iter(|| {
-            black_box(interpret(
-                "{ a = 1; b = 2; } // { c = 3; }",
-                None,
-                Default::default(),
-            ))
+            interpret("{ a = 1; b = 2; } // { c = 3; }");
+            black_box(())
         })
     });
 
@@ -28,7 +28,10 @@ fn eval_merge_attrs(c: &mut Criterion) {
             (0..10000).map(|n| format!("a{n} = {n};")).join(" ")
         );
         let expr = format!("{large_attrs} // {{ c = 3; }}");
-        b.iter(move || black_box(interpret(&expr, None, Default::default())))
+        b.iter(move || {
+            interpret(&expr);
+            black_box(())
+        })
     });
 }
 
diff --git a/tvix/eval/src/builtins/mod.rs b/tvix/eval/src/builtins/mod.rs
index e4e9c14df6b8..3c635eb364ca 100644
--- a/tvix/eval/src/builtins/mod.rs
+++ b/tvix/eval/src/builtins/mod.rs
@@ -414,7 +414,7 @@ mod pure_builtins {
         let mut res: BTreeMap<NixString, Vec<Value>> = BTreeMap::new();
         for val in list.to_list()? {
             let key = vm.call_with(&f, [val.clone()])?.force(vm)?.to_str()?;
-            res.entry(key).or_insert_with(|| vec![]).push(val);
+            res.entry(key).or_insert_with(std::vec::Vec::new).push(val);
         }
         Ok(Value::attrs(NixAttrs::from_iter(
             res.into_iter()
@@ -688,7 +688,7 @@ mod pure_builtins {
                 // We already applied a from->to with an empty from
                 // transformation.
                 // Let's skip it so that we don't loop infinitely
-                if empty_string_replace && from.as_str().len() == 0 {
+                if empty_string_replace && from.as_str().is_empty() {
                     continue;
                 }
 
@@ -698,7 +698,7 @@ mod pure_builtins {
                     i += from.len();
 
                     // remember if we applied the empty from->to
-                    empty_string_replace = from.as_str().len() == 0;
+                    empty_string_replace = from.as_str().is_empty();
 
                     continue 'outer;
                 }
@@ -719,7 +719,7 @@ mod pure_builtins {
             let from = elem.0.to_str()?;
             let to = elem.1.to_str()?;
 
-            if from.as_str().len() == 0 {
+            if from.as_str().is_empty() {
                 res += &to;
                 break;
             }
@@ -866,9 +866,7 @@ mod pure_builtins {
         let len = len as usize;
         let end = cmp::min(beg + len, x.as_str().len());
 
-        Ok(Value::String(
-            x.as_str()[(beg as usize)..(end as usize)].into(),
-        ))
+        Ok(Value::String(x.as_str()[beg..end].into()))
     }
 
     #[builtin("tail")]
@@ -1070,10 +1068,7 @@ pub fn global_builtins(source: SourceCode) -> GlobalsMapFunc {
 
             // We need to insert import into the builtins, but the
             // builtins passed to import must have import *in it*.
-            let import = Value::Builtin(crate::builtins::impure::builtins_import(
-                globals,
-                source.clone(),
-            ));
+            let import = Value::Builtin(crate::builtins::impure::builtins_import(globals, source));
 
             map.insert("import", import);
         };
diff --git a/tvix/eval/src/compiler/bindings.rs b/tvix/eval/src/compiler/bindings.rs
index 31ab76aee815..12eaae5c191c 100644
--- a/tvix/eval/src/compiler/bindings.rs
+++ b/tvix/eval/src/compiler/bindings.rs
@@ -804,7 +804,7 @@ impl Compiler<'_> {
         }
 
         if let Some(ast::InterpolPart::Literal(lit)) = parts.pop() {
-            return Some(SmolStr::new(&lit));
+            return Some(SmolStr::new(lit));
         }
 
         None
@@ -812,7 +812,6 @@ impl Compiler<'_> {
 
     /// Convert the provided `ast::Attr` into a statically known string if
     /// possible.
-    // TODO(tazjin): these should probably be SmolStr
     fn expr_static_attr_str(&self, node: &ast::Attr) -> Option<SmolStr> {
         match node {
             ast::Attr::Ident(ident) => Some(ident.ident_token().unwrap().text().into()),
diff --git a/tvix/eval/src/compiler/mod.rs b/tvix/eval/src/compiler/mod.rs
index ae31d2714513..12fd269c2f9b 100644
--- a/tvix/eval/src/compiler/mod.rs
+++ b/tvix/eval/src/compiler/mod.rs
@@ -558,7 +558,7 @@ impl Compiler<'_> {
                 self.emit_force(s);
             }
 
-            ast::Attr::Ident(ident) => self.emit_literal_ident(&ident),
+            ast::Attr::Ident(ident) => self.emit_literal_ident(ident),
         }
     }
 
@@ -1232,7 +1232,7 @@ pub fn compile(
 
     let root_span = c.span_for(expr);
     let root_slot = c.scope_mut().declare_phantom(root_span, false);
-    c.compile(root_slot, &expr);
+    c.compile(root_slot, expr);
 
     // The final operation of any top-level Nix program must always be
     // `OpForce`. A thunk should not be returned to the user in an
@@ -1247,6 +1247,6 @@ pub fn compile(
         lambda,
         warnings: c.warnings,
         errors: c.errors,
-        globals: globals,
+        globals,
     })
 }
diff --git a/tvix/eval/src/errors.rs b/tvix/eval/src/errors.rs
index 92ec7b079941..0d12f259a5b7 100644
--- a/tvix/eval/src/errors.rs
+++ b/tvix/eval/src/errors.rs
@@ -539,8 +539,8 @@ fn spans_for_parse_errors(file: &File, errors: &[rnix::parser::ParseError]) -> V
                         span,
                         format!(
                             "found '{}', but expected {}",
-                            name_for_syntax(&found),
-                            expected_syntax(&wanted),
+                            name_for_syntax(found),
+                            expected_syntax(wanted),
                         ),
                     )
                 }
@@ -565,7 +565,7 @@ fn spans_for_parse_errors(file: &File, errors: &[rnix::parser::ParseError]) -> V
                         file.span,
                         format!(
                             "code ended unexpectedly, but wanted {}",
-                            expected_syntax(&wanted)
+                            expected_syntax(wanted)
                         ),
                     )
                 }
@@ -580,9 +580,8 @@ fn spans_for_parse_errors(file: &File, errors: &[rnix::parser::ParseError]) -> V
 
                 rnix::parser::ParseError::RecursionLimitExceeded => (
                     file.span,
-                    format!(
-                        "this code exceeds the parser's recursion limit, please report a Tvix bug"
-                    ),
+                    "this code exceeds the parser's recursion limit, please report a Tvix bug"
+                        .to_string(),
                 ),
 
                 // TODO: can rnix even still throw this? it's semantic!
@@ -727,7 +726,7 @@ impl Error {
     fn spans(&self, source: &SourceCode) -> Vec<SpanLabel> {
         match &self.kind {
             ErrorKind::ImportParseError { errors, file, .. } => {
-                spans_for_parse_errors(&file, errors)
+                spans_for_parse_errors(file, errors)
             }
 
             ErrorKind::ParseErrors(errors) => {
diff --git a/tvix/eval/src/lib.rs b/tvix/eval/src/lib.rs
index bf6c01426289..32624b2918a2 100644
--- a/tvix/eval/src/lib.rs
+++ b/tvix/eval/src/lib.rs
@@ -223,7 +223,7 @@ impl<'code, 'co, 'ro> Evaluation<'code, 'co, 'ro> {
                     None
                 }
             })
-            .unwrap_or_else(|| Default::default());
+            .unwrap_or_default();
 
         let runtime_observer = self.runtime_observer.take().unwrap_or(&mut noop_observer);
         let vm_result = run_lambda(
diff --git a/tvix/eval/src/nix_search_path.rs b/tvix/eval/src/nix_search_path.rs
index 8295aaa0ef91..3de773bb22a2 100644
--- a/tvix/eval/src/nix_search_path.rs
+++ b/tvix/eval/src/nix_search_path.rs
@@ -92,7 +92,6 @@ pub struct NixSearchPath {
 impl NixSearchPath {
     /// Attempt to resolve the given `path` within this [`NixSearchPath`] using the
     /// path resolution rules for `<...>`-style paths
-    #[allow(dead_code)] // TODO(grfn)
     pub fn resolve<P>(&self, path: P) -> Result<PathBuf, ErrorKind>
     where
         P: AsRef<Path>,
diff --git a/tvix/eval/src/pretty_ast.rs b/tvix/eval/src/pretty_ast.rs
index a829be26d814..5ac115e21c89 100644
--- a/tvix/eval/src/pretty_ast.rs
+++ b/tvix/eval/src/pretty_ast.rs
@@ -74,7 +74,7 @@ impl<'a> Serialize for SerializeAST<&'a ast::Select> {
     }
 }
 
-impl<'a> Serialize for SerializeAST<ast::InterpolPart<String>> {
+impl Serialize for SerializeAST<ast::InterpolPart<String>> {
     fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
         match &self.0 {
             ast::InterpolPart::Literal(s) => Serialize::serialize(s, serializer),
@@ -96,7 +96,7 @@ impl<'a> Serialize for SerializeAST<&'a ast::Str> {
                 .0
                 .normalized_parts()
                 .into_iter()
-                .map(|part| SerializeAST(part))
+                .map(SerializeAST)
                 .collect::<Vec<_>>(),
         )?;
 
@@ -104,7 +104,7 @@ impl<'a> Serialize for SerializeAST<&'a ast::Str> {
     }
 }
 
-impl<'a> Serialize for SerializeAST<ast::InterpolPart<ast::PathContent>> {
+impl Serialize for SerializeAST<ast::InterpolPart<ast::PathContent>> {
     fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
         match &self.0 {
             ast::InterpolPart::Literal(p) => Serialize::serialize(p.syntax().text(), serializer),
@@ -122,11 +122,7 @@ impl<'a> Serialize for SerializeAST<&'a ast::Path> {
 
         map.serialize_entry(
             "parts",
-            &self
-                .0
-                .parts()
-                .map(|part| SerializeAST(part))
-                .collect::<Vec<_>>(),
+            &self.0.parts().map(SerializeAST).collect::<Vec<_>>(),
         )?;
 
         map.end()
@@ -148,7 +144,7 @@ impl<'a> Serialize for SerializeAST<&'a ast::Literal> {
     }
 }
 
-impl<'a> Serialize for SerializeAST<ast::PatEntry> {
+impl Serialize for SerializeAST<ast::PatEntry> {
     fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
         let mut map = serializer.serialize_map(None)?;
         map.serialize_entry("ident", &SerializeAST(&self.0.ident().unwrap()))?;
@@ -161,7 +157,7 @@ impl<'a> Serialize for SerializeAST<ast::PatEntry> {
     }
 }
 
-impl<'a> Serialize for SerializeAST<ast::Param> {
+impl Serialize for SerializeAST<ast::Param> {
     fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
         match &self.0 {
             ast::Param::Pattern(pat) => {
@@ -170,9 +166,7 @@ impl<'a> Serialize for SerializeAST<ast::Param> {
 
                 map.serialize_entry(
                     "entries",
-                    &pat.pat_entries()
-                        .map(|entry| SerializeAST(entry))
-                        .collect::<Vec<_>>(),
+                    &pat.pat_entries().map(SerializeAST).collect::<Vec<_>>(),
                 )?;
 
                 if let Some(bind) = pat.pat_bind() {
@@ -211,17 +205,13 @@ impl<'a> Serialize for SerializeAST<&'a ast::LegacyLet> {
             &self
                 .0
                 .attrpath_values()
-                .map(|val| SerializeAST(val))
+                .map(SerializeAST)
                 .collect::<Vec<_>>(),
         )?;
 
         map.serialize_entry(
             "inherits",
-            &self
-                .0
-                .inherits()
-                .map(|val| SerializeAST(val))
-                .collect::<Vec<_>>(),
+            &self.0.inherits().map(SerializeAST).collect::<Vec<_>>(),
         )?;
 
         map.end()
@@ -238,17 +228,13 @@ impl<'a> Serialize for SerializeAST<&'a ast::LetIn> {
             &self
                 .0
                 .attrpath_values()
-                .map(|val| SerializeAST(val))
+                .map(SerializeAST)
                 .collect::<Vec<_>>(),
         )?;
 
         map.serialize_entry(
             "inherits",
-            &self
-                .0
-                .inherits()
-                .map(|val| SerializeAST(val))
-                .collect::<Vec<_>>(),
+            &self.0.inherits().map(SerializeAST).collect::<Vec<_>>(),
         )?;
 
         map.serialize_entry("body", &SerializeAST(&self.0.body().unwrap()))?;
@@ -258,11 +244,7 @@ impl<'a> Serialize for SerializeAST<&'a ast::LetIn> {
 
 impl<'a> Serialize for SerializeAST<&'a ast::List> {
     fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
-        let list = self
-            .0
-            .items()
-            .map(|elem| SerializeAST(elem))
-            .collect::<Vec<_>>();
+        let list = self.0.items().map(SerializeAST).collect::<Vec<_>>();
 
         let mut map = serializer.serialize_map(Some(2))?;
         map.serialize_entry("kind", "list")?;
@@ -322,7 +304,7 @@ impl<'a> Serialize for SerializeAST<&'a ast::Root> {
     }
 }
 
-impl<'a> Serialize for SerializeAST<ast::AttrpathValue> {
+impl Serialize for SerializeAST<ast::AttrpathValue> {
     fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
         let mut map = serializer.serialize_map(Some(2))?;
         map.serialize_entry("name", &SerializeAST(self.0.attrpath().unwrap()))?;
@@ -331,7 +313,7 @@ impl<'a> Serialize for SerializeAST<ast::AttrpathValue> {
     }
 }
 
-impl<'a> Serialize for SerializeAST<ast::Inherit> {
+impl Serialize for SerializeAST<ast::Inherit> {
     fn serialize<S: Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
         let mut map = serializer.serialize_map(None)?;
 
@@ -341,7 +323,7 @@ impl<'a> Serialize for SerializeAST<ast::Inherit> {
 
         map.serialize_entry(
             "names",
-            &self.0.attrs().map(|a| SerializeAST(a)).collect::<Vec<_>>(),
+            &self.0.attrs().map(SerializeAST).collect::<Vec<_>>(),
         )?;
 
         map.end()
@@ -359,17 +341,13 @@ impl<'a> Serialize for SerializeAST<&'a ast::AttrSet> {
             &self
                 .0
                 .attrpath_values()
-                .map(|val| SerializeAST(val))
+                .map(SerializeAST)
                 .collect::<Vec<_>>(),
         )?;
 
         map.serialize_entry(
             "inherits",
-            &self
-                .0
-                .inherits()
-                .map(|val| SerializeAST(val))
-                .collect::<Vec<_>>(),
+            &self.0.inherits().map(SerializeAST).collect::<Vec<_>>(),
         )?;
 
         map.end()
@@ -439,11 +417,7 @@ impl Serialize for SerializeAST<ast::Attrpath> {
 
         map.serialize_entry(
             "path",
-            &self
-                .0
-                .attrs()
-                .map(|attr| SerializeAST(attr))
-                .collect::<Vec<_>>(),
+            &self.0.attrs().map(SerializeAST).collect::<Vec<_>>(),
         )?;
 
         map.end()
diff --git a/tvix/eval/src/systems.rs b/tvix/eval/src/systems.rs
index cfdbe2eed505..16386cb9e0ad 100644
--- a/tvix/eval/src/systems.rs
+++ b/tvix/eval/src/systems.rs
@@ -1,10 +1,7 @@
 /// true iff the argument is recognized by cppnix as the second
 /// coordinate of a "nix double"
 fn is_second_coordinate(x: &str) -> bool {
-    match x {
-        "linux" | "darwin" | "netbsd" | "openbsd" | "freebsd" => true,
-        _ => false,
-    }
+    matches!(x, "linux" | "darwin" | "netbsd" | "openbsd" | "freebsd")
 }
 
 /// This function takes an llvm triple (which may have three or four
@@ -16,7 +13,7 @@ pub fn llvm_triple_to_nix_double(llvm_triple: &str) -> String {
     let cpu = match parts[0] {
         "armv6" => "armv6l", // cppnix appends an "l" to armv6
         "armv7" => "armv7l", // cppnix appends an "l" to armv7
-        x => match x.as_bytes().as_ref() {
+        x => match x.as_bytes() {
             [b'i', _, b'8', b'6'] => "i686", // cppnix glob-matches against i*86
             _ => x,
         },
diff --git a/tvix/eval/src/tests/mod.rs b/tvix/eval/src/tests/mod.rs
index 1c872f67d2b0..bb46cf2b79b0 100644
--- a/tvix/eval/src/tests/mod.rs
+++ b/tvix/eval/src/tests/mod.rs
@@ -49,15 +49,13 @@ fn eval_test(code_path: &str, expect_success: bool) {
                 "{code_path}: test passed unexpectedly!  consider moving it out of notyetpassing"
             );
         }
+    } else if expect_success {
+        panic!("{code_path}: should be able to read test expectation");
     } else {
-        if expect_success {
-            panic!("{code_path}: should be able to read test expectation");
-        } else {
-            panic!(
-                "{code_path}: test should have failed, but succeeded with output {}",
-                result_str
-            );
-        }
+        panic!(
+            "{code_path}: test should have failed, but succeeded with output {}",
+            result_str
+        );
     }
 }
 
diff --git a/tvix/eval/src/tests/nix_tests/notyetpassing/eval-okay-readDir.nix b/tvix/eval/src/tests/nix_tests/notyetpassing/eval-okay-readDir.nix.disabled
index a7ec9292aae2..a7ec9292aae2 100644
--- a/tvix/eval/src/tests/nix_tests/notyetpassing/eval-okay-readDir.nix
+++ b/tvix/eval/src/tests/nix_tests/notyetpassing/eval-okay-readDir.nix.disabled
diff --git a/tvix/eval/src/value/attrs.rs b/tvix/eval/src/value/attrs.rs
index ecce34fb4af4..833cb2fd6045 100644
--- a/tvix/eval/src/value/attrs.rs
+++ b/tvix/eval/src/value/attrs.rs
@@ -321,7 +321,6 @@ impl NixAttrs {
             }
         }
 
-        // TODO(tazjin): extend_reserve(count) (rust#72631)
         let mut attrs = NixAttrs(AttrsRep::Map(BTreeMap::new()));
 
         for _ in 0..count {
diff --git a/tvix/eval/src/value/function.rs b/tvix/eval/src/value/function.rs
index e31bb92b7931..1a32795393bf 100644
--- a/tvix/eval/src/value/function.rs
+++ b/tvix/eval/src/value/function.rs
@@ -30,7 +30,7 @@ impl Formals {
         Q: ?Sized + Hash + Eq,
         NixString: std::borrow::Borrow<Q>,
     {
-        self.ellipsis || self.arguments.contains_key(&arg)
+        self.ellipsis || self.arguments.contains_key(arg)
     }
 }
 
diff --git a/tvix/eval/src/value/mod.rs b/tvix/eval/src/value/mod.rs
index 124ce881d9a1..34dbf06231d4 100644
--- a/tvix/eval/src/value/mod.rs
+++ b/tvix/eval/src/value/mod.rs
@@ -217,7 +217,7 @@ impl Value {
                         if let Value::Thunk(t) = f {
                             t.force(vm)?;
                             let guard = t.value();
-                            call_to_string(&*guard, vm)
+                            call_to_string(&guard, vm)
                         } else {
                             call_to_string(f, vm)
                         }
@@ -451,7 +451,7 @@ impl Value {
                 if let Some(name) = &f.lambda.name {
                     format!("the user-defined Nix function '{}'", name)
                 } else {
-                    format!("a user-defined Nix function")
+                    "a user-defined Nix function".to_string()
                 }
             }
 
diff --git a/tvix/eval/src/value/string.rs b/tvix/eval/src/value/string.rs
index 66697a7f2f4f..5b2cb83a17de 100644
--- a/tvix/eval/src/value/string.rs
+++ b/tvix/eval/src/value/string.rs
@@ -172,7 +172,7 @@ fn is_valid_nix_identifier(s: &str) -> bool {
             _ => return false,
         }
     }
-    return true;
+    true
 }
 
 /// Escape a Nix string for display, as most user-visible representation
diff --git a/tvix/eval/src/value/thunk.rs b/tvix/eval/src/value/thunk.rs
index c7cdfa244183..8813b0039888 100644
--- a/tvix/eval/src/value/thunk.rs
+++ b/tvix/eval/src/value/thunk.rs
@@ -143,7 +143,7 @@ impl Thunk {
                 }) => vm.enter_frame(lambda, upvalues, arg_count)?,
             }
             match trampoline.continuation {
-                None => break (),
+                None => break,
                 Some(cont) => {
                     trampoline = cont(vm)?;
                     continue;
@@ -203,7 +203,7 @@ impl Thunk {
                         return Ok(Trampoline {
                             action: Some(TrampolineAction::EnterFrame {
                                 lambda,
-                                upvalues: upvalues.clone(),
+                                upvalues,
                                 arg_count: 0,
                                 light_span: light_span.clone(),
                             }),
@@ -212,10 +212,10 @@ impl Thunk {
                                     self_clone.0.replace(ThunkRepr::Evaluated(vm.pop()));
                                 assert!(matches!(should_be_blackhole, ThunkRepr::Blackhole));
                                 vm.push(Value::Thunk(self_clone));
-                                return Self::force_trampoline(vm).map_err(|kind| Error {
+                                Self::force_trampoline(vm).map_err(|kind| Error {
                                     kind,
                                     span: light_span.span(),
-                                });
+                                })
                             })),
                         });
                     }
@@ -268,7 +268,7 @@ impl Thunk {
                     panic!("Thunk::value called on an unfinalised closure");
                 }
                 */
-                return value;
+                value
             }
             ThunkRepr::Blackhole => panic!("Thunk::value called on a black-holed thunk"),
             ThunkRepr::Suspended { .. } => panic!("Thunk::value called on a suspended thunk"),
diff --git a/tvix/eval/src/vm.rs b/tvix/eval/src/vm.rs
index 6c0d1157ec8d..f1dc99439638 100644
--- a/tvix/eval/src/vm.rs
+++ b/tvix/eval/src/vm.rs
@@ -275,8 +275,8 @@ impl<'o> VM<'o> {
     }
 
     /// Access the I/O handle used for filesystem access in this VM.
-    pub(crate) fn io(&self) -> &Box<dyn EvalIO> {
-        &self.io_handle
+    pub(crate) fn io(&self) -> &dyn EvalIO {
+        &*self.io_handle
     }
 
     /// Construct an error from the given ErrorKind and the source
@@ -385,7 +385,7 @@ impl<'o> VM<'o> {
                 // that of the tail-called closure.
                 let mut frame = self.frame_mut();
                 frame.lambda = lambda;
-                frame.upvalues = closure.upvalues().clone();
+                frame.upvalues = closure.upvalues();
                 frame.ip = CodeIdx(0); // reset instruction pointer to beginning
                 Ok(())
             }
@@ -584,10 +584,8 @@ impl<'o> VM<'o> {
                 (Value::List(_), _) => break false,
 
                 (Value::Attrs(a1), Value::Attrs(a2)) => {
-                    if allow_pointer_equality_on_functions_and_thunks {
-                        if Rc::ptr_eq(&a1, &a2) {
-                            continue;
-                        }
+                    if allow_pointer_equality_on_functions_and_thunks && Rc::ptr_eq(&a1, &a2) {
+                        continue;
                     }
                     allow_pointer_equality_on_functions_and_thunks = true;
                     match (a1.select("type"), a2.select("type")) {
@@ -708,7 +706,7 @@ impl<'o> VM<'o> {
                 match b {
                     Value::Integer(0) => return Err(self.error(ErrorKind::DivisionByZero)),
                     Value::Float(b) => {
-                        if *b == (0.0 as f64) {
+                        if *b == 0.0_f64 {
                             return Err(self.error(ErrorKind::DivisionByZero));
                         }
                         arithmetic_op!(self, /)
generated by cgit-pink 1.4.1 (git 2.44.2) at 2024-11-02T11ยท55+0000