Fix implicit leaks of imports throughout libraries

Also touch up use of 'pub' and move some tests around so the tested functions
don't have to be 'pub'

1 files changed, 2 insertions, 0 deletions

diff --git a/src/libsyntax/parse/mod.rs b/src/libsyntax/parse/mod.rs
index a31a73f594a..057412fcd7e 100644
--- a/src/libsyntax/parse/mod.rs
+++ b/src/libsyntax/parse/mod.rs
@@ -234,6 +234,8 @@ mod test {
     use super::*;
     use std::serialize::Encodable;
     use std;
+    use core::io;
+    use core::option::None;
     use core::str;
     use util::testing::*;