remove unwraps, fix utf8

1 files changed, 3 insertions, 3 deletions

diff --git a/matrix-lang/src/binary/mod.rs b/matrix-lang/src/binary/mod.rs
index 53b3fe5..780d2a0 100644
--- a/matrix-lang/src/binary/mod.rs
+++ b/matrix-lang/src/binary/mod.rs
@@ -13,8 +13,7 @@ pub struct Program {
 const PROGRAM_HEADER: [u8; 5]  = [0x00, 0x4d, 0x41, 0x54, 0x0a];
 
 impl Program {
-    pub fn load(body: &str) -> Result<Option<Rc<Function>>> {
-        let mut bytes = body.as_bytes();
+    pub fn load(bytes: &mut [u8]) -> Result<Option<Rc<Function>>> {
         if bytes.len() < 6 {
             return Ok(None)
         }
@@ -22,7 +21,8 @@ impl Program {
         if header != &PROGRAM_HEADER {
             return Ok(None)
         }
-        let mut s = ProgramDeserializer::from(&mut bytes);
+        let mut a = &bytes[..];
+        let mut s = ProgramDeserializer::from(&mut a);
         let program = <Self>::deserialize(&mut s)?;
         s.finish()?;
         Ok(Some(program.fun.clone()))