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authorbors[bot] <26634292+bors[bot]@users.noreply.github.com>2021-01-04 21:07:50 +0000
committerGitHub <[email protected]>2021-01-04 21:07:50 +0000
commitb99b14311c57f6e5f1d50d1868513c4459e33328 (patch)
tree70379a97f2d5812fb8f8015bffcfa7cdd451e050 /crates/hir
parent550c49657eabbe7583819c7e19c94eaa7d2c589e (diff)
parent052404565ea495b32956373e18d807a8cde68ceb (diff)
Merge #7160
7160: Get `hir::Function` return type r=flodiebold a=arnaudgolfouse Hello ! As said in #7158, I noticed that `hir::Function` has no direct way of getting the return type, so this PR adds this functionality. Co-authored-by: Arnaud <[email protected]>
Diffstat (limited to 'crates/hir')
-rw-r--r--crates/hir/src/code_model.rs12
1 files changed, 12 insertions, 0 deletions
diff --git a/crates/hir/src/code_model.rs b/crates/hir/src/code_model.rs
index 071e553a8..1a4aa78fb 100644
--- a/crates/hir/src/code_model.rs
+++ b/crates/hir/src/code_model.rs
@@ -743,6 +743,18 @@ impl Function {
743 db.function_data(self.id).name.clone() 743 db.function_data(self.id).name.clone()
744 } 744 }
745 745
746 /// Get this function's return type
747 pub fn ret_type(self, db: &dyn HirDatabase) -> Type {
748 let resolver = self.id.resolver(db.upcast());
749 let ret_type = &db.function_data(self.id).ret_type;
750 let ctx = hir_ty::TyLoweringContext::new(db, &resolver);
751 let environment = TraitEnvironment::lower(db, &resolver);
752 Type {
753 krate: self.id.lookup(db.upcast()).container.module(db.upcast()).krate,
754 ty: InEnvironment { value: Ty::from_hir_ext(&ctx, ret_type).0, environment },
755 }
756 }
757
746 pub fn self_param(self, db: &dyn HirDatabase) -> Option<SelfParam> { 758 pub fn self_param(self, db: &dyn HirDatabase) -> Option<SelfParam> {
747 if !db.function_data(self.id).has_self_param { 759 if !db.function_data(self.id).has_self_param {
748 return None; 760 return None;