diff --git a/src/rstd/inlining.rs b/src/rstd/inlining.rs
index 04b4f3e..7a5af27 100644
--- a/src/rstd/inlining.rs
+++ b/src/rstd/inlining.rs
@@ -88,6 +88,28 @@ impl<'a: 'c, 'c, Ctx: Context<'a>> InCtx<'a, Ctx> for &'c mut dyn DeCtx<'a, Ctx>
     }
 }
 
+pub trait InliningDyn: Sized {
+    fn idread_n(self, n: usize) -> Result<(Vec<u8>, Self), Vec<u8>>;
+
+    fn idread_all(self) -> Vec<u8>;
+
+    fn idtell(&self) -> usize;
+}
+
+impl<I: Inlining> InliningDyn for I {
+    fn idread_n(self, n: usize) -> Result<(Vec<u8>, Self), Vec<u8>> {
+        self.iread_n(n, |slice| Vec::from(slice), |slice| Vec::from(slice))
+    }
+
+    fn idread_all(self) -> Vec<u8> {
+        self.iread_all(|slice| Vec::from(slice))
+    }
+
+    fn idtell(&self) -> usize {
+        self.itell()
+    }
+}
+
 pub type IParseResult<'a, Ctx, F, I> =
     Result<(Mtbl<'a, Ctx, F>, I), <F as Factory<'a, Ctx>>::ParseError>;