1 files changed, 6 insertions, 1 deletions
diff --git a/library/std/src/sys/pal/wasi/io.rs b/library/std/src/sys/pal/wasi/io.rs
index b7c2f03daa0..57f81bc6257 100644
--- a/library/std/src/sys/pal/wasi/io.rs
+++ b/library/std/src/sys/pal/wasi/io.rs
@@ -30,7 +30,7 @@ impl<'a> IoSlice<'a> {
     }
 
     #[inline]
-    pub fn as_slice(&self) -> &[u8] {
+    pub const fn as_slice(&self) -> &'a [u8] {
         unsafe { slice::from_raw_parts(self.vec.buf as *const u8, self.vec.buf_len) }
     }
 }
@@ -68,6 +68,11 @@ impl<'a> IoSliceMut<'a> {
     }
 
     #[inline]
+    pub const fn into_slice(self) -> &'a mut [u8] {
+        unsafe { slice::from_raw_parts_mut(self.vec.buf as *mut u8, self.vec.buf_len) }
+    }
+
+    #[inline]
     pub fn as_mut_slice(&mut self) -> &mut [u8] {
         unsafe { slice::from_raw_parts_mut(self.vec.buf as *mut u8, self.vec.buf_len) }
     }