chore: clippy, update msrv

Signed-off-by: Henry Gressmann <mail@henrygressmann.de>

Author: explodingcamera

Cargo.toml

@@ -19,7 +19,7 @@ serde={version="1.0", features=["derive"]}
 
 [workspace.package]
 version="0.9.0-alpha.0"
-rust-version="1.87"
+rust-version="1.88"
 edition="2024"
 license="MIT OR Apache-2.0"
 authors=["Henry Gressmann <mail@henrygressmann.de>"]

crates/tinywasm/tests/testsuite/mod.rs

@@ -79,13 +79,12 @@ impl TestSuite {
         let last_line = BufReader::new(&file).lines().last().transpose()?;
 
         // Check if the last line starts with the current commit
-        if let Some(last) = last_line {
-            if last.starts_with(version) {
+        if let Some(last) = last_line
+            && last.starts_with(version) {
                 // Truncate the file size to remove the last line
                 let len_to_truncate = last.len() as i64;
                 file.set_len(file.metadata()?.len() - len_to_truncate as u64 - 1)?;
             }
-        }
 
         // Seek to the end of the file for appending
         file.seek(SeekFrom::End(0))?;

examples/wasm-rust.rs

@@ -109,7 +109,7 @@ fn hello() -> Result<()> {
     imports.define(
         "env",
         "print_utf8",
-        Extern::typed_func(|mut ctx: FuncContext<'_>, args: (i64, i32)| {
+        Extern::typed_func(|ctx: FuncContext<'_>, args: (i64, i32)| {
             let mem = ctx.exported_memory("memory")?;
             let ptr = args.0 as usize;
             let len = args.1 as usize;