fix stable build

fiji-flo · Nov 6, 2017 · d350b3f · d350b3f
1 parent 09be6a9
commit d350b3f
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/lexer.rs b/src/lexer.rs
@@ -1,3 +1,4 @@
+use std::ascii::AsciiExt;
 use std::collections::HashMap;
 use std::fmt;
 use std::thread;