From 39a90bdd739ee40848b2b0b221592f105c55d2d9 Mon Sep 17 00:00:00 2001
From: Niko Matsakis <niko@alum.mit.edu>
Date: Tue, 14 Jul 2015 11:33:07 -0400
Subject: [PATCH] add some comments

---
 lalrpop/src/grammar/repr.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lalrpop/src/grammar/repr.rs b/lalrpop/src/grammar/repr.rs
index feb85a7..122d810 100644
--- a/lalrpop/src/grammar/repr.rs
+++ b/lalrpop/src/grammar/repr.rs
@@ -29,8 +29,14 @@ pub struct Grammar {
 
     // the "use foo;" statements that the user declared
     pub uses: Vec<String>,
+
+    // type parameters declared on the grammar, like `grammar<T>;`
     pub type_parameters: Vec<TypeParameter>,
+
+    // actual parameters declared on the grammar, like the `x: u32` in `grammar(x: u32);`
     pub parameters: Vec<Parameter>,
+
+    // where clauses declared on the grammar, like `grammar<T> where T: Sized`
     pub where_clauses: Vec<String>,
 
     // the grammar proper: