Add missing inline and From<Binary> for Term (#719)

Author: filmor

rustler/src/types/binary.rs

@@ -408,6 +408,7 @@ impl<'a> Binary<'a> {
     /// If `offset + length` is out of bounds, this call results in *undefined behavior*. The
     /// caller has to ensure that `offset + length < self.len()`.
     #[allow(unused_unsafe)]
+    #[inline]
     pub unsafe fn make_subbinary_unchecked(&self, offset: usize, length: usize) -> Binary<'a> {
         let raw_term = unsafe {
             enif_make_sub_binary(
@@ -438,7 +439,6 @@ impl Deref for Binary<'_> {
         self.as_slice()
     }
 }
-
 impl<'a> Decoder<'a> for Binary<'a> {
     fn decode(term: Term<'a>) -> Result<Self, Error> {
         Binary::from_term(term)
@@ -473,6 +473,13 @@ impl<'a> Term<'a> {
     }
 }
 
+impl<'a> From<Binary<'a>> for Term<'a> {
+    #[inline]
+    fn from(binary: Binary<'a>) -> Self {
+        binary.term
+    }
+}
+
 /// An newly-created, mutable Erlang binary.
 ///
 /// See [module-level doc](index.html) for more information.