bjoernager/rust
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Make type_var_origin take a vid

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This commit is contained in:
Michael Goulet 2024-07-21 14:14:17 -04:00
parent fc1e7ceb4b
commit 5accaf3af4
4 changed files with 11 additions and 15 deletions
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14
compiler/rustc_infer/src/infer/mod.rs
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@ -718,17 +718,11 @@ impl<'tcx> InferCtxt<'tcx> {
t.fold_with(&mut self.freshener())
}
/// Returns the origin of the type variable identified by `vid`, or `None`
/// if this is not a type variable.
/// Returns the origin of the type variable identified by `vid`.
///
/// No attempt is made to resolve `ty`.
pub fn type_var_origin(&self, ty: Ty<'tcx>) -> Option<TypeVariableOrigin> {
match *ty.kind() {
ty::Infer(ty::TyVar(vid)) => {
Some(self.inner.borrow_mut().type_variables().var_origin(vid))
}
_ => None,
}
/// No attempt is made to resolve `vid` to its root variable.
pub fn type_var_origin(&self, vid: TyVid) -> TypeVariableOrigin {
self.inner.borrow_mut().type_variables().var_origin(vid)
}
pub fn freshener<'b>(&'b self) -> TypeFreshener<'b, 'tcx> {