Add a lint pass to check for while true { ... } loops

And suggest changing them to loop { ... }. Had to fix the few
remaining while true loops (in core::io). Closes #1962.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libcore/io.rs b/src/libcore/io.rs
index 01edaeabe05..b44ec02c74b 100644
--- a/src/libcore/io.rs
+++ b/src/libcore/io.rs
@@ -110,7 +110,7 @@ impl reader_util for reader {
 
     fn read_line() -> str {
         let mut buf: [u8] = [];
-        while true {
+        loop {
             let ch = self.read_byte();
             if ch == -1 || ch == 10 { break; }
             buf += [ch as u8];
@@ -120,7 +120,7 @@ impl reader_util for reader {
 
     fn read_c_str() -> str {
         let mut buf: [u8] = [];
-        while true {
+        loop {
             let ch = self.read_byte();
             if ch < 1 { break; } else { buf += [ch as u8]; }
         }