Merge pull request #595 from epage/reset

feat(stream): Allow reseting streams to an absolute position

src/stream/mod.rs

@@ -129,6 +129,21 @@ where
  }
 }
 
+impl<I> Located<I>
+where
+ I: Clone + Stream + Offset,
+{
+ /// Reset the stream to the start
+ ///
+ /// This is useful for formats that encode a graph with addresses relative to the start of the
+ /// input.
+ #[doc(alias = "fseek")]
+ pub fn reset_to_start(&mut self) {
+ let start = self.initial.checkpoint();
+ self.input.reset(&start);
+ }
+}
+
 impl<I> AsRef<I> for Located<I> {
  #[inline(always)]
  fn as_ref(&self) -> &I {