From d3188769e41a051df7f02395b43f11e5cedede0b Mon Sep 17 00:00:00 2001
From: Kirill Bulatov <mail4score@gmail.com>
Date: Sat, 1 Feb 2020 22:13:02 +0200
Subject: Auto import functions

---
 crates/ra_assists/src/assists/auto_import.rs | 24 ++++++++++++++++++++++++
 crates/ra_hir/src/code_model.rs              | 17 +++++++++++------
 2 files changed, 35 insertions(+), 6 deletions(-)

diff --git a/crates/ra_assists/src/assists/auto_import.rs b/crates/ra_assists/src/assists/auto_import.rs
index 932a52bff..8c483e2da 100644
--- a/crates/ra_assists/src/assists/auto_import.rs
+++ b/crates/ra_assists/src/assists/auto_import.rs
@@ -211,4 +211,28 @@ mod tests {
             }",
         );
     }
+
+    #[test]
+    fn function_import() {
+        check_assist_with_imports_locator(
+            auto_import,
+            TestImportsLocator::new,
+            r"
+            test_function<|>
+
+            pub mod PubMod {
+                pub fn test_function() {};
+            }
+            ",
+            r"
+            use PubMod::test_function;
+
+            test_function<|>
+
+            pub mod PubMod {
+                pub fn test_function() {};
+            }
+            ",
+        );
+    }
 }
diff --git a/crates/ra_hir/src/code_model.rs b/crates/ra_hir/src/code_model.rs
index 500b34c17..eaacf8c9e 100644
--- a/crates/ra_hir/src/code_model.rs
+++ b/crates/ra_hir/src/code_model.rs
@@ -119,7 +119,7 @@ impl_froms!(
     BuiltinType
 );
 
-pub use hir_def::{attr::Attrs, visibility::Visibility, AssocItemId};
+pub use hir_def::{attr::Attrs, item_scope::ItemInNs, visibility::Visibility, AssocItemId};
 use rustc_hash::FxHashSet;
 
 impl Module {
@@ -238,11 +238,16 @@ impl Module {
         item: ModuleDef,
     ) -> Option<hir_def::path::ModPath> {
         // FIXME expose namespace choice
-        hir_def::find_path::find_path(
-            db,
-            hir_def::item_scope::ItemInNs::Types(item.into()),
-            self.into(),
-        )
+        hir_def::find_path::find_path(db, determine_item_namespace(item), self.into())
+    }
+}
+
+fn determine_item_namespace(module_def: ModuleDef) -> ItemInNs {
+    match module_def {
+        ModuleDef::Static(_) | ModuleDef::Const(_) | ModuleDef::Function(_) => {
+            ItemInNs::Values(module_def.into())
+        }
+        _ => ItemInNs::Types(module_def.into()),
     }
 }
 
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