---

yaml
---
r: 149100
b: refs/heads/try2
c: 6f571a6
h: refs/heads/master
v: v3

Author: nikomatsakis

[refs]

@@ -5,7 +5,7 @@ refs/heads/snap-stage3: 78a7676898d9f80ab540c6df5d4c9ce35bb50463
 refs/heads/try: 519addf6277dbafccbb4159db4b710c37eaa2ec5
 refs/tags/release-0.1: 1f5c5126e96c79d22cb7862f75304136e204f105
 refs/heads/ndm: f3868061cd7988080c30d6d5bf352a5a5fe2460b
-refs/heads/try2: 96139bf1d6eb00d60e8f6521dbf56fc23286723f
+refs/heads/try2: 6f571a63a6e966ae59e0d078542c04734eba58ac
 refs/heads/dist-snap: ba4081a5a8573875fed17545846f6f6902c8ba8d
 refs/tags/release-0.2: c870d2dffb391e14efb05aa27898f1f6333a9596
 refs/tags/release-0.3: b5f0d0f648d9a6153664837026ba1be43d3e2503

branches/try2/src/libglob/lib.rs

@@ -28,6 +28,7 @@
 #[crate_type = "dylib"];
 #[license = "MIT/ASL2"];
 
+use std::cell::Cell;
 use std::{os, path};
 use std::io::fs;
 use std::path::is_sep;
@@ -342,22 +343,24 @@ impl Pattern {
     }
 
     fn matches_from(&self,
-                    mut prev_char: Option<char>,
+                    prev_char: Option<char>,
                     mut file: &str,
                     i: uint,
                     options: MatchOptions) -> MatchResult {
 
+        let prev_char = Cell::new(prev_char);
+
         let require_literal = |c| {
             (options.require_literal_separator && is_sep(c)) ||
             (options.require_literal_leading_dot && c == '.'
-             && is_sep(prev_char.unwrap_or('/')))
+             && is_sep(prev_char.get().unwrap_or('/')))
         };
 
         for (ti, token) in self.tokens.slice_from(i).iter().enumerate() {
             match *token {
                 AnySequence => {
                     loop {
-                        match self.matches_from(prev_char, file, i + ti + 1, options) {
+                        match self.matches_from(prev_char.get(), file, i + ti + 1, options) {
                             SubPatternDoesntMatch => (), // keep trying
                             m => return m,
                         }
@@ -370,7 +373,7 @@ impl Pattern {
                         if require_literal(c) {
                             return SubPatternDoesntMatch;
                         }
-                        prev_char = Some(c);
+                        prev_char.set(Some(c));
                         file = next;
                     }
                 }
@@ -400,7 +403,7 @@ impl Pattern {
                     if !matches {
                         return SubPatternDoesntMatch;
                     }
-                    prev_char = Some(c);
+                    prev_char.set(Some(c));
                     file = next;
                 }
             }