1 files changed, 6 insertions, 45 deletions

diff --git a/crates/ra_hir/src/function/mod.rs b/crates/ra_hir/src/function/mod.rs
index c8af2e54f..5187dc051 100644
--- a/crates/ra_hir/src/function/mod.rs
+++ b/crates/ra_hir/src/function/mod.rs
@@ -6,66 +6,27 @@ use std::{
 };
 
 use ra_syntax::{
-    TextRange, TextUnit, SyntaxNodeRef,
+    TextRange, TextUnit,
     ast::{self, AstNode, DocCommentsOwner, NameOwner},
 };
-use ra_db::FileId;
 
-use crate::{
-    FnId, HirDatabase, SourceItemId,
-};
+use crate::{ DefId, HirDatabase };
 
 pub use self::scope::FnScopes;
 
-impl FnId {
-    pub fn get(db: &impl HirDatabase, file_id: FileId, fn_def: ast::FnDef) -> FnId {
-        let file_items = db.file_items(file_id);
-        let item_id = file_items.id_of(fn_def.syntax());
-        let item_id = SourceItemId { file_id, item_id };
-        FnId::from_loc(db, &item_id)
-    }
-}
+#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash)]
+pub struct FnId(pub(crate) DefId);
 
 pub struct Function {
     fn_id: FnId,
 }
 
 impl Function {
-    pub fn guess_from_source(
-        db: &impl HirDatabase,
-        file_id: FileId,
-        fn_def: ast::FnDef,
-    ) -> Function {
-        let fn_id = FnId::get(db, file_id, fn_def);
+    pub(crate) fn new(def_id: DefId) -> Function {
+        let fn_id = FnId(def_id);
         Function { fn_id }
     }
 
-    pub fn guess_for_name_ref(
-        db: &impl HirDatabase,
-        file_id: FileId,
-        name_ref: ast::NameRef,
-    ) -> Option<Function> {
-        Function::guess_for_node(db, file_id, name_ref.syntax())
-    }
-
-    pub fn guess_for_bind_pat(
-        db: &impl HirDatabase,
-        file_id: FileId,
-        bind_pat: ast::BindPat,
-    ) -> Option<Function> {
-        Function::guess_for_node(db, file_id, bind_pat.syntax())
-    }
-
-    fn guess_for_node(
-        db: &impl HirDatabase,
-        file_id: FileId,
-        node: SyntaxNodeRef,
-    ) -> Option<Function> {
-        let fn_def = node.ancestors().find_map(ast::FnDef::cast)?;
-        let res = Function::guess_from_source(db, file_id, fn_def);
-        Some(res)
-    }
-
     pub fn scope(&self, db: &impl HirDatabase) -> Arc<FnScopes> {
         db.fn_scopes(self.fn_id)
     }