clippy

src/compiler.rs

@@ -227,7 +227,7 @@ impl Clone for Expression {
     fn clone(&self) -> Self {
         self.from
             .parse()
-            .expect(&format!("expression {self:?} have an invalid from"))
+            .unwrap_or_else(|_| panic!("expression {self:?} have an invalid from"))
     }
 }
 
@@ -316,7 +316,7 @@ impl Context {
             .filter_map(|(c, e)| (c == &var).then_some(e))
             .collect();
         if result.is_empty() {
-            return Err(SlopeNotFoundError(var));
+            Err(SlopeNotFoundError(var))
         } else {
             Ok(result)
         }
@@ -379,7 +379,7 @@ impl Context {
         }: &Expression,
         ns: &mut impl EvalNamespace,
     ) -> Result<f64, fasteval::Error> {
-        instruction.eval(&slab, ns)
+        instruction.eval(slab, ns)
     }
 
     pub fn render(&mut self, n: Option<u8>) -> Result<Vec<f64>, CompilerError> {
@@ -417,7 +417,7 @@ impl Compiler {
     fn step(self, token: impl Token) -> Result<Self, CompilerError> {
         token.apply(self.0).map(Into::into)
     }
-    fn compile_all<'a>(
+    fn compile_all(
         self,
         tokens: impl IntoIterator<Item = impl Token>,
     ) -> Result<Vec<f64>, CompilerError> {