From 70c61e1ebd1b0270953b8e33b74bfff578ccc82f Mon Sep 17 00:00:00 2001
From: Kornel Lesiński <kornel@geekhood.net>
Date: Wed, 15 Feb 2017 19:12:22 +0000
Subject: Docs

---
 src/ir/ty.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/ir/ty.rs b/src/ir/ty.rs
index 470d9536..332ad236 100644
--- a/src/ir/ty.rs
+++ b/src/ir/ty.rs
@@ -316,6 +316,9 @@ impl Type {
             _ => false,
         }
     }
+
+    /// Checks whether the name looks like an identifier,
+    /// i.e. is alphanumeric (including '_') and does not start with a digit.
     pub fn is_valid_identifier(name: &str) -> bool {
         let mut chars = name.chars();
         let first_valid = chars.next().map(|c| c.is_alphabetic() || c == '_').unwrap_or(false);
-- 
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