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Diffstat (limited to 'crates/hir-ty/src/next_solver/infer/mod.rs')
| -rw-r--r-- | crates/hir-ty/src/next_solver/infer/mod.rs | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/crates/hir-ty/src/next_solver/infer/mod.rs b/crates/hir-ty/src/next_solver/infer/mod.rs index 33003f5375..f038c47a8b 100644 --- a/crates/hir-ty/src/next_solver/infer/mod.rs +++ b/crates/hir-ty/src/next_solver/infer/mod.rs @@ -946,8 +946,8 @@ impl<'db> InferCtxt<'db> { use self::type_variable::TypeVariableValue; match self.inner.borrow_mut().type_variables().probe(vid) { - TypeVariableValue::Known { value } => Ok(value), - TypeVariableValue::Unknown { universe } => Err(universe), + TypeVariableValue::Known { value, .. } => Ok(value), + TypeVariableValue::Unknown { universe, .. } => Err(universe), } } @@ -1015,6 +1015,13 @@ impl<'db> InferCtxt<'db> { } } + pub fn shallow_resolve_term(&self, term: Term<'db>) -> Term<'db> { + match term.kind() { + TermKind::Ty(ty) => self.shallow_resolve(ty).into(), + TermKind::Const(ct) => self.shallow_resolve_const(ct).into(), + } + } + pub fn root_var(&self, var: TyVid) -> TyVid { self.inner.borrow_mut().type_variables().root_var(var) } @@ -1096,6 +1103,21 @@ impl<'db> InferCtxt<'db> { } } + /// Returns the span of the type variable identified by `vid`. + /// + /// No attempt is made to resolve `vid` to its root variable. + pub fn type_var_span(&self, vid: TyVid) -> Span { + self.inner.borrow_mut().type_variables().var_span(vid) + } + + /// Returns the span of the const variable identified by `vid` + pub fn const_var_span(&self, vid: ConstVid) -> Option<Span> { + match self.inner.borrow_mut().const_unification_table().probe_value(vid) { + ConstVariableValue::Known { .. } => None, + ConstVariableValue::Unknown { span, .. } => Some(span), + } + } + // Instantiates the bound variables in a given binder with fresh inference // variables in the current universe. // |