From 4e683d7af1d752f2d7bc6e2ed4d6b85405bc84a8 Mon Sep 17 00:00:00 2001
From: Aleksey Kladov <aleksey.kladov@gmail.com>
Date: Tue, 20 Nov 2018 14:52:10 +0300
Subject: Add ModId

---
 crates/ra_analysis/src/loc2id.rs | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

(limited to 'crates/ra_analysis')

diff --git a/crates/ra_analysis/src/loc2id.rs b/crates/ra_analysis/src/loc2id.rs
index 8eaa24997..53bf609fa 100644
--- a/crates/ra_analysis/src/loc2id.rs
+++ b/crates/ra_analysis/src/loc2id.rs
@@ -72,17 +72,26 @@ pub(crate) trait NumericId: Clone + Eq + Hash {
     fn to_u32(self) -> u32;
 }
 
+macro_rules! impl_numeric_id {
+    ($id:ident) => {
+        impl NumericId for $id {
+            fn from_u32(id: u32) -> Self {
+                $id(id)
+            }
+            fn to_u32(self) -> u32 {
+                self.0
+            }
+        }
+    };
+}
+
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
 pub(crate) struct FnId(u32);
+impl_numeric_id!(FnId);
 
-impl NumericId for FnId {
-    fn from_u32(id: u32) -> FnId {
-        FnId(id)
-    }
-    fn to_u32(self) -> u32 {
-        self.0
-    }
-}
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub(crate) struct ModId(u32);
+impl_numeric_id!(ModId);
 
 pub(crate) trait IdDatabase: salsa::Database {
     fn id_maps(&self) -> &IdMaps;
-- 
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