From 54d053c881514b024ba399ce2edc678e3f710ab7 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 4 Dec 2018 23:52:14 +0300
Subject: minor

---
 crates/ra_hir/src/function/mod.rs |  8 ++++++--
 crates/ra_hir/src/lib.rs          | 16 +++++++++++-----
 2 files changed, 17 insertions(+), 7 deletions(-)

diff --git a/crates/ra_hir/src/function/mod.rs b/crates/ra_hir/src/function/mod.rs
index a6757601e..e00bca6e3 100644
--- a/crates/ra_hir/src/function/mod.rs
+++ b/crates/ra_hir/src/function/mod.rs
@@ -27,6 +27,11 @@ pub struct Function {
 }
 
 impl Function {
+    pub(crate) fn new(def_id: DefId) -> Function {
+        let fn_id = FnId(def_id);
+        Function { fn_id }
+    }
+
     pub fn guess_from_source(
         db: &impl HirDatabase,
         file_id: FileId,
@@ -42,8 +47,7 @@ impl Function {
             module_id: module.module_id,
             source_item_id,
         };
-        let fn_id = FnId(def_loc.id(db));
-        Ok(Some(Function { fn_id }))
+        Ok(Some(Function::new(def_loc.id(db))))
     }
 
     pub fn guess_for_name_ref(
diff --git a/crates/ra_hir/src/lib.rs b/crates/ra_hir/src/lib.rs
index dbcc5e46d..9168dad3b 100644
--- a/crates/ra_hir/src/lib.rs
+++ b/crates/ra_hir/src/lib.rs
@@ -41,6 +41,8 @@ pub use self::{
 
 pub use self::function::FnSignatureInfo;
 
+/// Def's are a core concept of hir. A `Def` is an Item (function, module, etc)
+/// in a specific module.
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub struct DefId(u32);
 ra_db::impl_numeric_id!(DefId);
@@ -61,13 +63,13 @@ pub struct DefLoc {
 }
 
 impl DefId {
-    pub fn loc(self, db: &impl AsRef<LocationIntener<DefLoc, DefId>>) -> DefLoc {
+    pub(crate) fn loc(self, db: &impl AsRef<LocationIntener<DefLoc, DefId>>) -> DefLoc {
         db.as_ref().id2loc(self)
     }
 }
 
 impl DefLoc {
-    pub fn id(&self, db: &impl AsRef<LocationIntener<DefLoc, DefId>>) -> DefId {
+    pub(crate) fn id(&self, db: &impl AsRef<LocationIntener<DefLoc, DefId>>) -> DefId {
         db.as_ref().loc2id(&self)
     }
 }
@@ -83,10 +85,14 @@ impl DefId {
         let loc = self.loc(db);
         let res = match loc.kind {
             DefKind::Module => {
-                let descr = Module::new(db, loc.source_root_id, loc.module_id)?;
-                Def::Module(descr)
+                let module = Module::new(db, loc.source_root_id, loc.module_id)?;
+                Def::Module(module)
             }
-            DefKind::Item | DefKind::Function => Def::Item,
+            DefKind::Function => {
+                let function = Function::new(self);
+                Def::Function(function)
+            }
+            DefKind::Item => Def::Item,
         };
         Ok(res)
     }
-- 
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