diff --git a/src/rstd/atomic.rs b/src/rstd/atomic.rs
index ef2d8a8..b6d02f4 100644
--- a/src/rstd/atomic.rs
+++ b/src/rstd/atomic.rs
@@ -21,7 +21,7 @@ pub trait Atomic: 'static + Send + Sync + Send + Clone + Serializable {
     /// Equivalent of [`Factory::ParseError`].
     type AParseError: Error;
     /// Static equivalent of [`Factory::deserialize`].
-    fn a_deserialize(deserializer: &mut dyn Deserializer) -> AParseResult<Self>;
+    fn a_deserialize(deserializer: impl Inlining) -> AParseResult<Self>;
     /// Static equivalent of [`Factory::extend`].
     fn a_extend(self, tail: &[u8]) -> AParseResult<Self>;
 }
diff --git a/src/rstd/atomic/au64.rs b/src/rstd/atomic/au64.rs
index f8e602c..ee386da 100644
--- a/src/rstd/atomic/au64.rs
+++ b/src/rstd/atomic/au64.rs
@@ -37,8 +37,9 @@ impl From<&[u8]> for IntParseError {
 impl Atomic for u64 {
     type AParseError = IntParseError;
 
-    fn a_deserialize(deserializer: &mut dyn Deserializer) -> AParseResult<Self> {
-        Ok(u64::from_le_bytes(deserializer.read_n_const::<8>()?))
+    fn a_deserialize(deserializer: impl Inlining) -> AParseResult<Self> {
+        let (n, _) = deserializer.iread_n_const::<8>(|slice| IntParseError::from(slice))?;
+        Ok(u64::from_le_bytes(n))
     }
 
     fn a_extend(self, tail: &[u8]) -> AParseResult<Self> {
diff --git a/src/rstd/atomic/boolean.rs b/src/rstd/atomic/boolean.rs
index dba67df..c561ed1 100644
--- a/src/rstd/atomic/boolean.rs
+++ b/src/rstd/atomic/boolean.rs
@@ -44,8 +44,8 @@ impl From<&[u8]> for BooleanParseError {
 impl Atomic for bool {
     type AParseError = BooleanParseError;
 
-    fn a_deserialize(deserializer: &mut dyn Deserializer) -> AParseResult<Self> {
-        let byte = deserializer.read_n_const::<1>()?;
+    fn a_deserialize(deserializer: impl Inlining) -> AParseResult<Self> {
+        let (byte, _) = deserializer.iread_n_const::<1>(|slice| BooleanParseError::from(slice))?;
         match byte[0] {
             0 => Ok(false),
             1 => Ok(true),
diff --git a/src/rstd/atomic/plain.rs b/src/rstd/atomic/plain.rs
index 6054522..2059054 100644
--- a/src/rstd/atomic/plain.rs
+++ b/src/rstd/atomic/plain.rs
@@ -31,8 +31,8 @@ impl Serializable for Plain {
 impl Atomic for Plain {
     type AParseError = PlainParseError;
 
-    fn a_deserialize(deserializer: &mut dyn Deserializer) -> AParseResult<Self> {
-        Ok(Plain::from_slice(deserializer.read_all()))
+    fn a_deserialize(deserializer: impl Inlining) -> AParseResult<Self> {
+        Ok(deserializer.iread_all(Plain::from_slice))
     }
 
     fn a_extend(mut self, tail: &[u8]) -> AParseResult<Self> {