Major clean-up of std::io

Use ifaces instead of objs, stop wrapping everything in two (or three)
layers of no-value-added indirection, and remove some of the more
pointless/outdated idioms from the code.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/comp/syntax/parse/lexer.rs b/src/comp/syntax/parse/lexer.rs
index 21340168a23..2fe28f793bf 100644
--- a/src/comp/syntax/parse/lexer.rs
+++ b/src/comp/syntax/parse/lexer.rs
@@ -1,6 +1,7 @@
 
 import core::{vec, str, option, either};
 import std::io;
+import io::reader_util;
 import option::{some, none};
 import util::interner;
 import util::interner::intern;