Merge branch 'master' of github.com:rust-analyzer/rust-analyzer into feat_4348

1 files changed, 10 insertions, 0 deletions

diff --git a/crates/ra_hir_ty/src/lib.rs b/crates/ra_hir_ty/src/lib.rs
index a6f56c661..e8f3482fe 100644
--- a/crates/ra_hir_ty/src/lib.rs
+++ b/crates/ra_hir_ty/src/lib.rs
@@ -683,6 +683,12 @@ impl Ty {
     pub fn unit() -> Self {
         Ty::apply(TypeCtor::Tuple { cardinality: 0 }, Substs::empty())
     }
+    pub fn fn_ptr(sig: FnSig) -> Self {
+        Ty::apply(
+            TypeCtor::FnPtr { num_args: sig.params().len() as u16 },
+            Substs(sig.params_and_return),
+        )
+    }
 
     pub fn as_reference(&self) -> Option<(&Ty, Mutability)> {
         match self {
@@ -730,6 +736,10 @@ impl Ty {
         }
     }
 
+    pub fn is_never(&self) -> bool {
+        matches!(self, Ty::Apply(ApplicationTy { ctor: TypeCtor::Never, .. }))
+    }
+
     /// If this is a `dyn Trait` type, this returns the `Trait` part.
     pub fn dyn_trait_ref(&self) -> Option<&TraitRef> {
         match self {