diff --git a/src/rcore/modes.rs b/src/rcore/modes.rs
index 584d490..83a6598 100644
--- a/src/rcore/modes.rs
+++ b/src/rcore/modes.rs
@@ -125,6 +125,27 @@ pub trait ParseModeExt: ParseMode {
         <Self::Mode as Mode>::seal(s)
     }
 
+    /// [`Mode::xmap_err`].
+    fn xmap_err<A, E0, E1>(
+        result: <Self::Mode as Mode>::ExtensionResult<A, E0>,
+        f: impl FnOnce(E0) -> E1,
+    ) -> <Self::Mode as Mode>::ExtensionResult<A, E1> {
+        <Self::Mode as Mode>::xmap_err(result, f)
+    }
+
+    /// [`Mode::xbind`].
+    fn xbind<A0, A1, E>(
+        result: <Self::Mode as Mode>::ExtensionResult<A0, E>,
+        f: impl FnOnce(A0) -> Result<A1, E>,
+    ) -> <Self::Mode as Mode>::ExtensionResult<A1, E> {
+        <Self::Mode as Mode>::xbind(result, f)
+    }
+
+    /// [`Mode::xseal`].
+    fn xseal<A, E>(result: <Self::Mode as Mode>::ExtensionResult<A, E>) -> Result<A, E> {
+        <Self::Mode as Mode>::xseal(result)
+    }
+
     /// [`Mode::smap`].
     fn smap<A0, A1>(
         source: <Self::Mode as Mode>::ExtensionSource<A0>,
@@ -132,6 +153,23 @@ pub trait ParseModeExt: ParseMode {
     ) -> <Self::Mode as Mode>::ExtensionSource<A1> {
         <Self::Mode as Mode>::smap(source, f)
     }
+
+    /// [`Mode::prepare`].
+    fn prepare<A>(a: A) -> <Self::Mode as Mode>::ExtensionSource<A> {
+        <Self::Mode as Mode>::prepare(a)
+    }
+
+    /// [`Mode::xsbind`].
+    fn xsbind<AB, A, B, E>(
+        ab: <Self::Mode as Mode>::ExtensionSource<AB>,
+        t2ab: impl FnOnce(AB) -> (A, B),
+        ce: impl FnOnce(
+            <Self::Mode as Mode>::ExtensionSource<B>,
+        ) -> <Self::Mode as Mode>::ExtensionResult<B, E>,
+        ab2t: impl FnOnce(A, B) -> Result<AB, E>,
+    ) -> <Self::Mode as Mode>::ExtensionResult<AB, E> {
+        <Self::Mode as Mode>::xsbind(ab, t2ab, ce, ab2t)
+    }
 }
 
 impl<F: ParseMode> ParseModeExt for F {}