refactor(bit_machine): remove unused as_bit_iter method and use cursor-based iterator

Author: stringhandler

src/bit_machine/frame.rs

@@ -115,15 +115,6 @@ impl Frame {
         }
     }
 
-    /// Extend the present frame with a read-only reference the the data
-    /// and return the resulting struct.
-    pub(super) fn as_bit_iter<'a>(
-        &self,
-        data: &'a [u8],
-    ) -> BitIter<core::iter::Copied<core::slice::Iter<'a, u8>>> {
-        BitIter::byte_slice_window(data, self.start, self.start + self.len)
-    }
-
     /// Like [`as_bit_iter`] but starts from the current cursor position rather than the frame start.
     pub(super) fn as_bit_iter_from_cursor<'a>(
         &self,

src/bit_machine/mod.rs

@@ -432,7 +432,7 @@ impl BitMachine {
             let out_frame = self.write.last_mut().unwrap();
             out_frame.reset_cursor();
             let value = Value::from_padded_bits(
-                &mut out_frame.as_bit_iter(&self.data),
+                &mut out_frame.as_bit_iter_from_cursor(&self.data),
                 &program.arrow().target,
             )
             .expect("Decode value of output frame");