chore: fix clippy warnings

src/execution/runtime.rs

@@ -191,9 +191,8 @@ impl Runtime {
  trace!("call stack is empty, return");
  break;
  };
- let insts = &frame.insts;
  frame.pc += 1;
- let Some(inst) = insts.get(frame.pc as usize) else {
+ let Some(inst) = frame.insts.get(frame.pc as usize) else {
  trace!("reach the end of function");
  break;
  };
@@ -339,7 +338,7 @@ impl Runtime {
  Instruction::Loop(block) => {
  let arity = block.block_type.result_count();
  let start_pc = frame.pc;
- let pc = get_end_address(insts, frame.pc)?;
+ let pc = get_end_address(&frame.insts, frame.pc)?;
 
  let label = Label {
  start: Some(start_pc),
@@ -355,11 +354,11 @@ impl Runtime {
  let cond: Value = stack.pop1()?;
 
  // calc pc when the end of block
- let next_pc = get_end_address(insts, frame.pc)?;
+ let next_pc = get_end_address(&frame.insts, frame.pc)?;
 
  if !cond.is_true() {
  // if the condition is false, skip the if block
- frame.pc = get_else_or_end_address(insts, frame.pc)? as isize;
+ frame.pc = get_else_or_end_address(&frame.insts, frame.pc)? as isize;
  }
 
  // NOTE: if block has no any instruction, just continue
@@ -387,7 +386,7 @@ impl Runtime {
  }
  Instruction::Block(block) => {
  let arity = block.block_type.result_count();
- let pc = get_end_address(insts, frame.pc)?;
+ let pc = get_end_address(&frame.insts, frame.pc)?;
 
  let label = Label {
  start: None,
@@ -520,7 +519,7 @@ impl Runtime {
  let store = self.store.borrow();
  let memory = store
  .memory
- .get(0)
+ .first()
  .with_context(|| Error::NotFoundMemory(dst))?;
  let mut memory = memory.borrow_mut();
  memory.data.copy_within(src..src + len, dst);
@@ -533,7 +532,7 @@ impl Runtime {
  let store = self.store.borrow();
  let memory = store
  .memory
- .get(0)
+ .first()
  .with_context(|| Error::NotFoundMemory(dst))?;
  let mut memory = memory.borrow_mut();
 

src/execution/store.rs

@@ -88,7 +88,7 @@ impl Store {
  if importers.is_empty() {
  bail!("not found import module: {}", module_name);
  }
- let importer = importers.get(0).unwrap();
+ let importer = importers.first().unwrap();
 
  match import_info.kind {
  crate::binary::types::ImportKind::Func(typeidx) => {
@@ -231,7 +231,7 @@ impl Store {
  // table
  if let Some(ref table_section) = module.table_section {
  let table = table_section
- .get(0) // NOTE: only support one table now
+ .first() // NOTE: only support one table now
  .with_context(|| "cannot get table from table section")?; // NOTE: only support one table now
  let min = table.limits.min as usize;
 

src/wasi/wasi_snapshot_preview1/preview1.rs

@@ -53,7 +53,7 @@ impl WasiSnapshotPreview1 {
 
  fn proc_exit(&self, args: Vec<Value>) -> ! {
  let exit_code: i32 = args
- .get(0)
+ .first()
  .expect("no any argument in proc_exit")
  .clone()
  .into();
@@ -65,7 +65,7 @@ impl WasiSnapshotPreview1 {
  let (mut offset, mut buf_offset) = (args[0] as usize, args[1] as usize);
 
  let store = store.borrow();
- let memory = store.memory.get(0).with_context(|| "not found memory")?;
+ let memory = store.memory.first().with_context(|| "not found memory")?;
  let mut memory = memory.borrow_mut();
 
  let env = std::env::vars();
@@ -89,7 +89,7 @@ impl WasiSnapshotPreview1 {
  let (offset, buf_offset) = (args[0] as usize, args[1] as usize);
 
  let store = store.borrow();
- let memory = store.memory.get(0).with_context(|| "not found memory")?;
+ let memory = store.memory.first().with_context(|| "not found memory")?;
  let mut memory = memory.borrow_mut();
 
  let env = std::env::vars();
@@ -118,7 +118,7 @@ impl WasiSnapshotPreview1 {
  );
 
  let store = store.borrow();
- let memory = store.memory.get(0).with_context(|| "not found memory")?;
+ let memory = store.memory.first().with_context(|| "not found memory")?;
  let mut memory = memory.borrow_mut();
 
  let file = self
@@ -159,7 +159,7 @@ impl WasiSnapshotPreview1 {
  );
 
  let store = store.borrow();
- let memory = store.memory.get(0).with_context(|| "not found memory")?;
+ let memory = store.memory.first().with_context(|| "not found memory")?;
  let mut memory = memory.borrow_mut();
 
  let file = self
@@ -197,7 +197,7 @@ impl WasiSnapshotPreview1 {
  let (mut offset, mut buf_offset) = (args[0] as usize, args[1] as usize);
 
  let store = store.borrow();
- let memory = store.memory.get(0).with_context(|| "not found memory")?;
+ let memory = store.memory.first().with_context(|| "not found memory")?;
  let mut memory = memory.borrow_mut();
 
  let args = std::env::args();
@@ -221,7 +221,7 @@ impl WasiSnapshotPreview1 {
  let (offset, buf_offset) = (args[0] as usize, args[1] as usize);
 
  let store = store.borrow();
- let memory = store.memory.get(0).with_context(|| "not found memory")?;
+ let memory = store.memory.first().with_context(|| "not found memory")?;
  let mut memory = memory.borrow_mut();
 
  let args = std::env::args();
@@ -245,7 +245,7 @@ impl WasiSnapshotPreview1 {
  let (mut offset, buf_len) = (args[0] as usize, args[1] as usize);
 
  let store = store.borrow();
- let memory = store.memory.get(0).with_context(|| "not found memory")?;
+ let memory = store.memory.first().with_context(|| "not found memory")?;
  let mut memory = memory.borrow_mut();
 
  let mut rng = thread_rng();
@@ -267,7 +267,7 @@ impl WasiSnapshotPreview1 {
  let (fd, offset) = (args[0] as usize, args[1] as usize);
 
  let store = store.borrow();
- let memory = store.memory.get(0).with_context(|| "not found memory")?;
+ let memory = store.memory.first().with_context(|| "not found memory")?;
  let mut memory = memory.borrow_mut();
 
  let file = self