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Auto merge of #16763 - regexident:param-accessors, r=Veykril

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Add `fn index()` and `fn parent_fn()` accessors for `hir::Param`/`hir::SelfParam`

(the PR is motivated by an outside use of the `ra_ap_hir` crate that would benefit from being able to access a `hir::Param`'s/`hir::SelfParam`'s index and parent function)
This commit is contained in:
bors 2024-03-05 15:12:18 +00:00
commit 916914418a
1 changed files with 12 additions and 0 deletions
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12
crates/hir/src/lib.rs
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@ -2108,6 +2108,14 @@ pub struct Param {
}
impl Param {
pub fn parent_fn(&self) -> Function {
self.func
}
pub fn index(&self) -> usize {
self.idx
}
pub fn ty(&self) -> &Type {
&self.ty
}
@ -2172,6 +2180,10 @@ impl SelfParam {
.map(|value| InFile { file_id, value })
}
pub fn parent_fn(&self) -> Function {
Function::from(self.func)
}
pub fn ty(&self, db: &dyn HirDatabase) -> Type {
let substs = TyBuilder::placeholder_subst(db, self.func);
let callable_sig =