fixup! refactor: split handle validation into early pass in `Validato…

…r::validate`

Resolves
<gfx-rs#2090 (comment)>.

src/valid/handles.rs

@@ -379,16 +379,16 @@ impl super::Validator {
  Ok(())
  };
 
- block.iter().try_for_each(|stmt| match stmt {
- &crate::Statement::Emit(ref expr_range) => {
+ block.iter().try_for_each(|stmt| match *stmt {
+ crate::Statement::Emit(ref expr_range) => {
  expr_range.check_valid_for(expressions)?;
  Ok(())
  }
- &crate::Statement::Block(ref block) => {
+ crate::Statement::Block(ref block) => {
  validate_block(block)?;
  Ok(())
  }
- &crate::Statement::If {
+ crate::Statement::If {
  condition,
  ref accept,
  ref reject,
@@ -398,12 +398,12 @@ impl super::Validator {
  validate_block(reject)?;
  Ok(())
  }
- &crate::Statement::Switch {
+ crate::Statement::Switch {
  selector,
  ref cases,
  } => {
  validate_expr(selector)?;
- for &crate::SwitchCase {
+ for crate::SwitchCase {
  value: _,
  ref body,
  fall_through: _,
@@ -413,7 +413,7 @@ impl super::Validator {
  }
  Ok(())
  }
- &crate::Statement::Loop {
+ crate::Statement::Loop {
  ref body,
  ref continuing,
  break_if,
@@ -423,13 +423,13 @@ impl super::Validator {
  validate_expr_opt(break_if)?;
  Ok(())
  }
- &crate::Statement::Return { value } => validate_expr_opt(value),
- &crate::Statement::Store { pointer, value } => {
+ crate::Statement::Return { value } => validate_expr_opt(value),
+ crate::Statement::Store { pointer, value } => {
  validate_expr(pointer)?;
  validate_expr(value)?;
  Ok(())
  }
- &crate::Statement::ImageStore {
+ crate::Statement::ImageStore {
  image,
  coordinate,
  array_index,
@@ -441,7 +441,7 @@ impl super::Validator {
  validate_expr(value)?;
  Ok(())
  }
- &crate::Statement::Atomic {
+ crate::Statement::Atomic {
  pointer,
  fun,
  value,
@@ -462,7 +462,7 @@ impl super::Validator {
  validate_expr(result)?;
  Ok(())
  }
- &crate::Statement::Call {
+ crate::Statement::Call {
  function,
  ref arguments,
  result,
@@ -474,10 +474,10 @@ impl super::Validator {
  validate_expr_opt(result)?;
  Ok(())
  }
- &crate::Statement::Break
- | &crate::Statement::Continue
- | &crate::Statement::Kill
- | &crate::Statement::Barrier(_) => Ok(()),
+ crate::Statement::Break
+ | crate::Statement::Continue
+ | crate::Statement::Kill
+ | crate::Statement::Barrier(_) => Ok(()),
  })
  }
 }