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add_explicit_type is applicable for closure parameters

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This commit is contained in:
Lukas Wirth 2021-07-31 14:04:34 +02:00
parent 1f817833e7
commit 778e6e8ba8
3 changed files with 129 additions and 82 deletions
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38
crates/syntax/src/ast/node_ext.rs
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@ -64,13 +64,45 @@ impl ast::Pat {
WalkEvent::Enter(node) => node,
WalkEvent::Leave(_) => continue,
};
match ast::Pat::cast(node.clone()) {
Some(ast::Pat::ConstBlockPat(_)) => preorder.skip_subtree(),
let kind = node.kind();
match ast::Pat::cast(node) {
Some(pat @ ast::Pat::ConstBlockPat(_)) => {
preorder.skip_subtree();
cb(pat);
}
Some(pat) => {
cb(pat);
}
// skip const args
None if ast::GenericArg::can_cast(node.kind()) => {
None if ast::GenericArg::can_cast(kind) => {
preorder.skip_subtree();
}
None => (),
}
}
}
}
impl ast::Type {
/// Preorder walk all the type's sub types.
pub fn walk(&self, cb: &mut dyn FnMut(ast::Type)) {
let mut preorder = self.syntax().preorder();
while let Some(event) = preorder.next() {
let node = match event {
WalkEvent::Enter(node) => node,
WalkEvent::Leave(_) => continue,
};
let kind = node.kind();
match ast::Type::cast(node) {
Some(ty @ ast::Type::MacroType(_)) => {
preorder.skip_subtree();
cb(ty)
}
Some(ty) => {
cb(ty);
}
// skip const args
None if ast::ConstArg::can_cast(kind) => {
preorder.skip_subtree();
}
None => (),