Appease rust 1.80 clippies (#1663)

Signed-off-by: Sean Young <[email protected]>

src/codegen/polkadot.rs

@@ -98,7 +98,7 @@ impl RetCodeCheckBuilder<usize> {
 
 impl RetCodeCheck {
     /// Handles all cases from the [RetBlock] accordingly.
-    /// * On success, nothing is done and the execution continues at the success block.
+    /// On success, nothing is done and the execution continues at the success block.
     /// If the callee reverted and output was supplied, it will be bubble up.
     /// Otherwise, a revert without data will be inserted.
     pub(crate) fn handle_cases(

src/codegen/statements/mod.rs

@@ -1208,9 +1208,7 @@ pub fn process_side_effects_expressions(
         }
 
         ast::Expression::Builtin {
-            kind: builtin_type, ..
-        } => match &builtin_type {
-            ast::Builtin::PayableSend
+            kind: ast::Builtin::PayableSend
             | ast::Builtin::ArrayPush
             | ast::Builtin::ArrayPop
             // PayableTransfer, Revert, Require and SelfDestruct do not occur inside an expression
@@ -1229,12 +1227,10 @@ pub fn process_side_effects_expressions(
             | ast::Builtin::WriteUint64LE
             | ast::Builtin::WriteUint128LE
             | ast::Builtin::WriteUint256LE
-            | ast::Builtin::WriteAddress => {
+            | ast::Builtin::WriteAddress, ..
+        } =>  {
                 let _ = expression(exp, ctx.cfg, ctx.contract_no, ctx.func, ctx.ns, ctx.vartab, ctx.opt);
                 false
-            }
-
-            _ => true,
         },
 
         _ => true,

src/sema/ast.rs

@@ -1281,7 +1281,7 @@ pub struct CallArgs {
 /// This enum manages the accounts in an external call on Solana. There can be three options:
 /// 1. The developer explicitly specifies there are not accounts for the call (`NoAccount`).
 /// 2. The accounts call argument is absent, in which case we attempt to generate the AccountMetas
-/// vector automatically (`AbsentArgumet`).
+///    vector automatically (`AbsentArgumet`).
 /// 3. There are accounts specified in the accounts call argument (Present).
 #[derive(PartialEq, Eq, Clone, Debug, Default)]
 pub enum ExternalCallAccounts<T> {

src/sema/external_functions.rs

@@ -169,8 +169,8 @@ fn check_statement(stmt: &Statement, call_list: &mut CallList) -> bool {
                 }
             }
         }
-        Statement::Return(_, exprs) => {
-            for e in exprs {
+        Statement::Return(_, expr) => {
+            if let Some(e) = expr {
                 e.recurse(call_list, check_expression);
             }
         }

tests/solana.rs

@@ -917,9 +917,9 @@ fn sol_log_data(
                 result
             );
 
-            print!(" {}", hex::encode(&event));
-
             events.push(event.to_vec());
+
+            print!(" {}", hex::encode(event));
         }
 
         println!();