---

yaml
---
r: 273527
b: refs/heads/beta
c: a2bab6f
h: refs/heads/master
i:
  273525: 10f6828
  273523: bba2480
  273519: a55c327

Author: nikomatsakis

[refs]

@@ -23,7 +23,7 @@ refs/tags/0.9: 36870b185fc5f5486636d4515f0e22677493f225
 refs/tags/0.10: ac33f2b15782272ae348dbd7b14b8257b2148b5a
 refs/tags/0.11.0: e1247cb1d0d681be034adb4b558b5a0c0d5720f9
 refs/tags/0.12.0: f0c419429ef30723ceaf6b42f9b5a2aeb5d2e2d1
-refs/heads/beta: 14a5657a9a22580aecdbcd72fdea35e4c30f36a5
+refs/heads/beta: a2bab6f3e1f8b830b311e30a5a154a351a29e001
 refs/tags/1.0.0-alpha: e42bd6d93a1d3433c486200587f8f9e12590a4d7
 refs/heads/tmp: e06d2ad9fcd5027bcaac5b08fc9aa39a49d0ecd3
 refs/tags/1.0.0-alpha.2: 4c705f6bc559886632d3871b04f58aab093bfa2f

branches/beta/src/librustc/mir/repr.rs

@@ -156,11 +156,21 @@ pub enum BorrowKind {
 /// decl, a let, etc.
 #[derive(Clone, Debug, RustcEncodable, RustcDecodable)]
 pub struct VarDecl<'tcx> {
+    /// `let mut x` vs `let x`
     pub mutability: Mutability,
+
+    /// name that user gave the variable; not that, internally,
+    /// mir references variables by index
     pub name: Name,
+
+    /// type inferred for this variable (`let x: ty = ...`)
     pub ty: Ty<'tcx>,
-    pub scope: ScopeId, // scope in which variable was declared
-    pub span: Span, // span where variable was declared
+
+    /// scope in which variable was declared
+    pub scope: ScopeId,
+
+    /// span where variable was declared
+    pub span: Span,
 }
 
 /// A "temp" is a temporary that we place on the stack. They are