librustc: Disallow multiple patterns from appearing in a "let" declaration.

You can still initialize multiple variables at once with "let (x, y) = (1, 2)".

1 files changed, 2 insertions, 2 deletions

diff --git a/src/libstd/rt/io/extensions.rs b/src/libstd/rt/io/extensions.rs
index 7d6d89ce997..727ab13a4f6 100644
--- a/src/libstd/rt/io/extensions.rs
+++ b/src/libstd/rt/io/extensions.rs
@@ -342,7 +342,7 @@ impl<T: Reader> ReaderByteConversions for T {
     fn read_le_uint_n(&mut self, nbytes: uint) -> u64 {
         assert!(nbytes > 0 && nbytes <= 8);
 
-        let mut val = 0u64, pos = 0, i = nbytes;
+        let mut (val, pos, i) = (0u64, 0, nbytes);
         while i > 0 {
             val += (self.read_u8() as u64) << pos;
             pos += 8;
@@ -358,7 +358,7 @@ impl<T: Reader> ReaderByteConversions for T {
     fn read_be_uint_n(&mut self, nbytes: uint) -> u64 {
         assert!(nbytes > 0 && nbytes <= 8);
 
-        let mut val = 0u64, i = nbytes;
+        let mut (val, i) = (0u64, nbytes);
         while i > 0 {
             i -= 1;
             val += (self.read_u8() as u64) << i * 8;