Merge branch 'all_remove_duplicate_module_adt' of https://github.com/Hmikihiro/rust-analyzer into all_remove_duplicate_module_adt

Author: Hmikihiro

crates/ide/src/goto_definition.rs

@@ -3274,6 +3274,108 @@ fn f() {
     }
 
     #[test]
+    fn goto_def_duplicate_with_methods() {
+        check(
+            r#"
+struct foo;
+
+impl foo {
+    fn fn_foo() {}
+}
+
+fn main() {
+    use {bar, bar::foo};
+    foo$0::fn_foo();
+}
+
+mod bar {
+    pub mod foo {
+         // ^^^
+        pub mod qux {
+            pub fn fn_foo() {}
+        }
+        pub use qux::fn_foo;
+    }
+}
+"#,
+        );
+    }
+
+    #[test]
+    fn goto_module_duplicate_with_type_alias() {
+        check(
+            r#"
+struct qux;
+type foo = qux;
+
+fn main() {
+    use bar::foo;
+    fo$0o::fn_foo();
+}
+
+mod bar {
+    pub mod foo {
+         // ^^^
+        pub fn fn_foo() {}
+    }
+}
+"#,
+        )
+    }
+
+    #[test]
+    fn goto_struct_duplicate_with_module() {
+        check(
+            r#"
+mod foo {
+    pub fn bar() {}
+}
+
+fn main() {
+    struct foo;
+        // ^^^
+    impl foo {
+        pub fn bar() {}
+    }
+    fo$0o::bar();
+}"#,
+        )
+    }
+
+    #[test]
+    fn shadow_builtin_type_by_module() {
+        check(
+            r#"
+mod Foo{
+    pub mod str {
+         // ^^^
+        pub fn foo() {}
+    }
+}
+
+fn main() {
+    use Foo::str;
+    let s = st$0r::foo();
+}
+"#,
+        );
+    }
+
+    #[test]
+    fn not_goto_module_because_str_is_builtin_type() {
+        check(
+            r#"
+mod str {
+    pub fn foo() {}
+}
+
+fn main() {
+    let s = st$0r::f();
+}
+"#,
+        );
+    }
+  
     fn use_inside_body() {
         check(
             r#"