Clean up

protocol/src/types/bit/map.rs

@@ -60,6 +60,14 @@ impl Map {
         map
     }
 
+    pub fn resize(self, size: usize) -> Map {
+        let mut n = Map::new(self.length, size);
+        for i in 0 .. self.length {
+            n.set(i, self.get(i));
+        }
+        n
+    }
+
     pub fn set(&mut self, i: usize, val: usize) {
         let i = i * self.bit_size;
         let pos = i / 64;
@@ -74,7 +82,7 @@ impl Map {
         }
     }
 
-    pub fn get(&mut self, i: usize) -> usize {
+    pub fn get(&self, i: usize) -> usize {
         let i = i * self.bit_size;
         let pos = i / 64;
         let mask = (1 << self.bit_size) - 1;

protocol/src/types/blockpos.rs

@@ -24,6 +24,7 @@ use self::byteorder::{BigEndian, WriteBytesExt, ReadBytesExt};
 pub struct Position(u64);
 
 impl Position {
+    #[allow(dead_code)]
     fn new(x: i32, y: i32, z: i32) -> Position {
         Position(
             (((x as u64) & 0x3FFFFFF) << 38) |