Merge #603

603: fix completion bugs r=gfreezy a=gfreezy

The result is as below. 

before:
![image](https://user-images.githubusercontent.com/510012/51483467-0f641400-1dd4-11e9-9921-ef21d15cc343.png)

after:
![image](https://user-images.githubusercontent.com/510012/51483433-fb201700-1dd3-11e9-9730-c2a5d3dd5f5a.png)

Co-authored-by: gfreezy <[email protected]>

1 files changed, 4 insertions, 0 deletions

diff --git a/crates/ra_hir/src/code_model_impl/module.rs b/crates/ra_hir/src/code_model_impl/module.rs
index 73c212de8..d94079f11 100644
--- a/crates/ra_hir/src/code_model_impl/module.rs
+++ b/crates/ra_hir/src/code_model_impl/module.rs
@@ -143,6 +143,10 @@ impl Module {
                         return PerNs::none();
                     }
                 }
+                PathKind::Abs => {
+                    // TODO: absolute use is not supported
+                    return PerNs::none();
+                }
             }
             .def_id,
         );