init

src/streams.rs

@@ -0,0 +1,33 @@
+use crate::{MalformedData, Reader, Writer};
+
+impl Reader for &[u8] {
+
+    #[inline(always)]
+    fn read(&mut self, bytes: &mut [u8]) -> e::Result<()> {
+        if bytes.len() > self.len() { Err(MalformedData)? }
+        
+        unsafe {
+            core::ptr::copy_nonoverlapping(
+                self.as_ptr(),
+                bytes.as_mut_ptr(),
+                bytes.len()
+            )
+        }
+        
+        *self = &self[bytes.len()..];
+        Ok(())
+    }
+
+    #[inline(always)]
+    fn remainder_hint(&self) -> usize {
+        self.len()
+    }
+}
+
+#[cfg(feature = "alloc")]
+impl Writer for alloc::vec::Vec<u8> {
+    fn write(&mut self, bytes: &[u8]) -> e::Result<()> {
+        self.extend_from_slice(bytes);
+        Ok(())
+    }
+}