1 files changed, 11 insertions, 4 deletions

diff --git a/crates/ra_hir/src/code_model_api.rs b/crates/ra_hir/src/code_model_api.rs
index 94a08aa63..fb7ad0867 100644
--- a/crates/ra_hir/src/code_model_api.rs
+++ b/crates/ra_hir/src/code_model_api.rs
@@ -1,7 +1,7 @@
 use std::sync::Arc;
 
 use relative_path::RelativePathBuf;
-use ra_db::{CrateId, FileId, SourceRootId};
+use ra_db::{CrateId, FileId, SourceRootId, Edition};
 use ra_syntax::{ast::self, TreeArc, SyntaxNode};
 
 use crate::{
@@ -38,13 +38,20 @@ impl Crate {
     pub fn crate_id(&self) -> CrateId {
         self.crate_id
     }
+
     pub fn dependencies(&self, db: &impl PersistentHirDatabase) -> Vec<CrateDependency> {
         self.dependencies_impl(db)
     }
+
     pub fn root_module(&self, db: &impl PersistentHirDatabase) -> Option<Module> {
         self.root_module_impl(db)
     }
 
+    pub fn edition(&self, db: &impl PersistentHirDatabase) -> Edition {
+        let crate_graph = db.crate_graph();
+        crate_graph.edition(self.crate_id)
+    }
+
     // TODO: should this be in source_binder?
     pub fn source_root_crates(
         db: &impl PersistentHirDatabase,
@@ -134,7 +141,7 @@ impl Module {
 
     /// Topmost parent of this module. Every module has a `crate_root`, but some
     /// might be missing `krate`. This can happen if a module's file is not included
-    /// in the module tree of any target in Cargo.toml.
+    /// in the module tree of any target in `Cargo.toml`.
     pub fn crate_root(&self, db: &impl PersistentHirDatabase) -> Module {
         self.crate_root_impl(db)
     }
@@ -351,7 +358,7 @@ impl Enum {
         db.type_for_def((*self).into())
     }
 
-    // TODO move to a more general type
+    // TODO: move to a more general type
     /// Builds a resolver for type references inside this struct.
     pub fn resolver(&self, db: &impl HirDatabase) -> Resolver {
         // take the outer scope...
@@ -495,7 +502,7 @@ impl Function {
         db.generic_params((*self).into())
     }
 
-    // TODO move to a more general type for 'body-having' items
+    // TODO: move to a more general type for 'body-having' items
     /// Builds a resolver for code inside this item.
     pub fn resolver(&self, db: &impl HirDatabase) -> Resolver {
         // take the outer scope...