fmt: cleanup clippy errors

src/args.rs

@@ -156,7 +156,7 @@ impl Args {
             out.verbs.push(Box::leak(arg.into_boxed_str()) as &str);
 
             // drain remaining args
-            while let Some(arg) = args.next() {
+            for arg in args.by_ref() {
                 out.verbs.push(Box::leak(arg.into_boxed_str()) as &str);
             }
         }

src/ast.rs

@@ -3,7 +3,7 @@ use std::fmt::{Display, Formatter};
 
 pub struct Program {
     pub filename: &'static str,
-    pub stmts: Vec<Box<AST>>,
+    pub stmts: Vec<AST>,
 }
 
 #[derive(Debug)]
@@ -23,7 +23,7 @@ pub enum ASTKind {
     StringLiteral(String),
     CharLiteral(char),
 
-    Block(Vec<Box<AST>>),
+    Block(Vec<AST>),
 
     TypeAnnotation(Type, Option<Box<AST>>),
 

src/parser.rs

@@ -114,7 +114,7 @@ impl<'t, 'contents> Parser<'t, 'contents> {
     }
 
     fn parse_block(&mut self, global: bool) -> Result<AST> {
-        let mut stmts = Vec::<Box<AST>>::new();
+        let mut stmts: Vec<AST> = Vec::new();
         let until = if global { TokenKind::EOF } else { TokenKind::RBrace };
         let start = self.current.span.clone();
 

src/report.rs

@@ -217,10 +217,8 @@ impl Display for ReportFormatter<'_> {
                             note.bright_black().italic()
                         )?;
                     }
-                } else {
-                    if let Some(note) = &report.note {
-                        writeln!(f, " {}", note.bright_black().italic())?;
-                    }
+                } else if let Some(note) = &report.note {
+                    writeln!(f, " {}", note.bright_black().italic())?;
                 }
             },
             None => {