Replace impl Read with Cursor<&[u8]> (#26)

* Start getting rid of Cursor

* try to make the tests pass and fail

* make the tests pass

* remove unused uses

* fix clippy warnings

* fix potential OOM exploits

* fix OOM in az-nbt

* fix nbt benchmark

* fix a test

* start replacing it with Cursor<Vec<u8>>

* wip

* fix all the issues

* fix all tests

* fix nbt benchmark

* fix warnings

1 files changed, 2 insertions, 2 deletions

diff --git a/azalea-core/src/difficulty.rs b/azalea-core/src/difficulty.rs
index 65950e8d..5cc2f9fa 100755
--- a/azalea-core/src/difficulty.rs
+++ b/azalea-core/src/difficulty.rs
@@ -1,6 +1,6 @@
 use std::{
     fmt::{Debug, Error, Formatter},
-    io::{Read, Write},
+    io::{Cursor, Write},
 };
 
 use azalea_buf::{BufReadError, McBufReadable, McBufWritable};
@@ -67,7 +67,7 @@ impl Difficulty {
 }
 
 impl McBufReadable for Difficulty {
-    fn read_from(buf: &mut impl Read) -> Result<Self, BufReadError> {
+    fn read_from(buf: &mut Cursor<&[u8]>) -> Result<Self, BufReadError> {
         Ok(Difficulty::by_id(u8::read_from(buf)?))
     }
 }