From 33c49d03578010e10d5cf881272292558dc043dd Mon Sep 17 00:00:00 2001
From: Bourgond Aries <macocio@gmail.com>
Date: Mon, 28 Mar 2016 06:24:25 +0200
Subject: [PATCH] Leverage fn array_index to fn integer

---
 src/parser.rs | 17 +----------------
 1 file changed, 1 insertion(+), 16 deletions(-)

diff --git a/src/parser.rs b/src/parser.rs
index 35b57fa..9eb506a 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -292,22 +292,7 @@ impl<'a> Parser<'a> {
 
     // Parse an array index as a natural number
     fn array_index(&mut self) -> Option<String> {
-        let mut index = String::new();
-        while let Some((_, ch)) = self.peek(0) {
-            match ch {
-                v @ '0' ... '9' => {
-                    if !self.eat(v) {
-                        return None
-                    }
-                    index.push(v);
-                }
-                _ => return Some(index),
-            }
-        }
-        if index.len() > 0 {
-            return Some(index);
-        }
-        None
+        self.integer(0, false, false)
     }
 
     /// Parse a path into a vector of paths