Use serde feature flag instead of serialize.

The old one is still supported.

src/buffer.rs

@@ -1,4 +1,4 @@
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 use serde::ser::{Serialize, Serializer};
 
 use crate::types::ValueRef;
@@ -73,7 +73,7 @@ impl Buffer {
     }
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl Serialize for Buffer {
     fn serialize<S: Serializer>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error> {
         serializer.serialize_bytes(unsafe { self.as_slice() })

src/error.rs

@@ -183,12 +183,12 @@ pub enum Error {
     /// and returned again.
     PreviouslyResumedPanic,
     /// Serialization error.
-    #[cfg(feature = "serialize")]
-    #[cfg_attr(docsrs, doc(cfg(feature = "serialize")))]
+    #[cfg(feature = "serde")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
     SerializeError(StdString),
     /// Deserialization error.
-    #[cfg(feature = "serialize")]
-    #[cfg_attr(docsrs, doc(cfg(feature = "serialize")))]
+    #[cfg(feature = "serde")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
     DeserializeError(StdString),
     /// A custom error.
     ///
@@ -309,11 +309,11 @@ impl fmt::Display for Error {
             Error::PreviouslyResumedPanic => {
                 write!(fmt, "previously resumed panic returned again")
             }
-            #[cfg(feature = "serialize")]
+            #[cfg(feature = "serde")]
             Error::SerializeError(err) => {
                 write!(fmt, "serialize error: {err}")
             },
-            #[cfg(feature = "serialize")]
+            #[cfg(feature = "serde")]
             Error::DeserializeError(err) => {
                 write!(fmt, "deserialize error: {err}")
             },
@@ -494,14 +494,14 @@ impl From<Utf8Error> for Error {
     }
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl serde::ser::Error for Error {
     fn custom<T: fmt::Display>(msg: T) -> Self {
         Self::SerializeError(msg.to_string())
     }
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl serde::de::Error for Error {
     fn custom<T: fmt::Display>(msg: T) -> Self {
         Self::DeserializeError(msg.to_string())

src/lib.rs

@@ -35,7 +35,7 @@
 //! The [`Value`] enum and other types implement [`serde::Serialize`] trait to support serializing
 //! Lua values into Rust values.
 //!
-//! Requires `feature = "serialize"`.
+//! Requires `feature = "serde"`.
 //!
 //! # Async/await support
 //!
@@ -140,12 +140,12 @@ pub use crate::{
 #[cfg_attr(docsrs, doc(cfg(feature = "async")))]
 pub use crate::{thread::AsyncThread, traits::LuaNativeAsyncFn};
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 #[doc(inline)]
 pub use crate::serde::{de::Options as DeserializeOptions, ser::Options as SerializeOptions, LuaSerdeExt};
 
-#[cfg(feature = "serialize")]
-#[cfg_attr(docsrs, doc(cfg(feature = "serialize")))]
+#[cfg(feature = "serde")]
+#[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
 pub mod serde;
 
 #[cfg(feature = "mlua_derive")]

src/prelude.rs

@@ -32,7 +32,7 @@ pub use crate::{
 #[doc(no_inline)]
 pub use crate::{AsyncThread as LuaAsyncThread, LuaNativeAsyncFn};
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 #[doc(no_inline)]
 pub use crate::{
     DeserializeOptions as LuaDeserializeOptions, LuaSerdeExt, SerializeOptions as LuaSerializeOptions,

src/serde/mod.rs

@@ -13,7 +13,7 @@ use crate::util::check_stack;
 use crate::value::Value;
 
 /// Trait for serializing/deserializing Lua values using Serde.
-#[cfg_attr(docsrs, doc(cfg(feature = "serialize")))]
+#[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
 pub trait LuaSerdeExt: Sealed {
     /// A special value (lightuserdata) to encode/decode optional (none) values.
     ///

src/state.rs

@@ -39,7 +39,7 @@ use {
     std::future::{self, Future},
 };
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 use serde::Serialize;
 
 pub(crate) use extra::ExtraData;
@@ -1367,8 +1367,8 @@ impl Lua {
     }
 
     /// Creates a Lua userdata object from a custom serializable userdata type.
-    #[cfg(feature = "serialize")]
-    #[cfg_attr(docsrs, doc(cfg(feature = "serialize")))]
+    #[cfg(feature = "serde")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
     #[inline]
     pub fn create_ser_userdata<T>(&self, data: T) -> Result<AnyUserData>
     where
@@ -1395,8 +1395,8 @@ impl Lua {
     /// Creates a Lua userdata object from a custom serializable Rust type.
     ///
     /// See [`Lua::create_any_userdata`] for more details.
-    #[cfg(feature = "serialize")]
-    #[cfg_attr(docsrs, doc(cfg(feature = "serialize")))]
+    #[cfg(feature = "serde")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
     #[inline]
     pub fn create_ser_any_userdata<T>(&self, data: T) -> Result<AnyUserData>
     where

src/state/raw.rs

@@ -208,7 +208,7 @@ impl RawLua {
                 }
 
                 // Init serde metatables
-                #[cfg(feature = "serialize")]
+                #[cfg(feature = "serde")]
                 crate::serde::init_metatables(state)?;
 
                 Ok::<_, Error>(())

src/string.rs

@@ -11,7 +11,7 @@ use crate::traits::IntoLua;
 use crate::types::{LuaType, ValueRef};
 use crate::value::Value;
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 use {
     serde::ser::{Serialize, Serializer},
     std::result::Result as StdResult,
@@ -211,7 +211,7 @@ impl Hash for String {
     }
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl Serialize for String {
     fn serialize<S>(&self, serializer: S) -> StdResult<S::Ok, S::Error>
     where

src/table.rs

@@ -15,7 +15,7 @@ use crate::value::{Nil, Value};
 #[cfg(feature = "async")]
 use futures_util::future::{self, Either, Future};
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 use {
     rustc_hash::FxHashSet,
     serde::ser::{Serialize, SerializeMap, SerializeSeq, Serializer},
@@ -735,7 +735,7 @@ impl Table {
         Ok(())
     }
 
-    #[cfg(feature = "serialize")]
+    #[cfg(feature = "serde")]
     pub(crate) fn is_array(&self) -> bool {
         let lua = self.0.lua.lock();
         let state = lua.state();
@@ -954,14 +954,14 @@ impl ObjectLike for Table {
 }
 
 /// A wrapped [`Table`] with customized serialization behavior.
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 pub(crate) struct SerializableTable<'a> {
     table: &'a Table,
     options: crate::serde::de::Options,
     visited: Rc<RefCell<FxHashSet<*const c_void>>>,
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl Serialize for Table {
     #[inline]
     fn serialize<S: Serializer>(&self, serializer: S) -> StdResult<S::Ok, S::Error> {
@@ -969,7 +969,7 @@ impl Serialize for Table {
     }
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl<'a> SerializableTable<'a> {
     #[inline]
     pub(crate) fn new(
@@ -985,7 +985,7 @@ impl<'a> SerializableTable<'a> {
     }
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl Serialize for SerializableTable<'_> {
     fn serialize<S>(&self, serializer: S) -> StdResult<S::Ok, S::Error>
     where

src/userdata.rs

@@ -18,7 +18,7 @@ use crate::value::Value;
 #[cfg(feature = "async")]
 use std::future::Future;
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 use {
     serde::ser::{self, Serialize, Serializer},
     std::result::Result as StdResult,
@@ -957,7 +957,7 @@ impl AnyUserData {
 
     /// Returns `true` if this [`AnyUserData`] is serializable (e.g. was created using
     /// [`Lua::create_ser_userdata`]).
-    #[cfg(feature = "serialize")]
+    #[cfg(feature = "serde")]
     pub(crate) fn is_serializable(&self) -> bool {
         let lua = self.0.lua.lock();
         let is_serializable = || unsafe {
@@ -1041,7 +1041,7 @@ where
     }
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl Serialize for AnyUserData {
     fn serialize<S>(&self, serializer: S) -> StdResult<S::Ok, S::Error>
     where
@@ -1072,8 +1072,8 @@ impl AnyUserData {
     /// [`IntoLua`] trait.
     ///
     /// This function uses [`Lua::create_ser_any_userdata`] under the hood.
-    #[cfg(feature = "serialize")]
-    #[cfg_attr(docsrs, doc(cfg(feature = "serialize")))]
+    #[cfg(feature = "serde")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
     pub fn wrap_ser<T: Serialize + MaybeSend + 'static>(data: T) -> impl IntoLua {
         WrappedUserdata(move |lua| lua.create_ser_any_userdata(data))
     }

src/userdata/cell.rs

@@ -1,6 +1,6 @@
 use std::cell::{RefCell, UnsafeCell};
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 use serde::ser::{Serialize, Serializer};
 
 use crate::error::{Error, Result};
@@ -9,10 +9,10 @@ use crate::types::XRc;
 use super::lock::{RawLock, UserDataLock};
 use super::r#ref::{UserDataRef, UserDataRefMut};
 
-#[cfg(all(feature = "serialize", not(feature = "send")))]
+#[cfg(all(feature = "serde", not(feature = "send")))]
 type DynSerialize = dyn erased_serde::Serialize;
 
-#[cfg(all(feature = "serialize", feature = "send"))]
+#[cfg(all(feature = "serde", feature = "send"))]
 type DynSerialize = dyn erased_serde::Serialize + Send;
 
 pub(crate) enum UserDataStorage<T> {
@@ -24,7 +24,7 @@ pub(crate) enum UserDataStorage<T> {
 // It's stored inside a Lua VM and protected by the outer `ReentrantMutex`.
 pub(crate) enum UserDataVariant<T> {
     Default(XRc<UserDataCell<T>>),
-    #[cfg(feature = "serialize")]
+    #[cfg(feature = "serde")]
     Serializable(XRc<UserDataCell<Box<DynSerialize>>>, bool), // bool is `is_sync`
 }
 
@@ -33,7 +33,7 @@ impl<T> Clone for UserDataVariant<T> {
     fn clone(&self) -> Self {
         match self {
             Self::Default(inner) => Self::Default(XRc::clone(inner)),
-            #[cfg(feature = "serialize")]
+            #[cfg(feature = "serde")]
             Self::Serializable(inner, is_sync) => Self::Serializable(XRc::clone(inner), *is_sync),
         }
     }
@@ -79,7 +79,7 @@ impl<T> UserDataVariant<T> {
         }
         Ok(match self {
             Self::Default(inner) => XRc::into_inner(inner).unwrap().value.into_inner(),
-            #[cfg(feature = "serialize")]
+            #[cfg(feature = "serde")]
             Self::Serializable(inner, _) => unsafe {
                 let raw = Box::into_raw(XRc::into_inner(inner).unwrap().value.into_inner());
                 *Box::from_raw(raw as *mut T)
@@ -91,7 +91,7 @@ impl<T> UserDataVariant<T> {
     fn strong_count(&self) -> usize {
         match self {
             Self::Default(inner) => XRc::strong_count(inner),
-            #[cfg(feature = "serialize")]
+            #[cfg(feature = "serde")]
             Self::Serializable(inner, _) => XRc::strong_count(inner),
         }
     }
@@ -100,7 +100,7 @@ impl<T> UserDataVariant<T> {
     pub(super) fn raw_lock(&self) -> &RawLock {
         match self {
             Self::Default(inner) => &inner.raw_lock,
-            #[cfg(feature = "serialize")]
+            #[cfg(feature = "serde")]
             Self::Serializable(inner, _) => &inner.raw_lock,
         }
     }
@@ -109,13 +109,13 @@ impl<T> UserDataVariant<T> {
     pub(super) fn as_ptr(&self) -> *mut T {
         match self {
             Self::Default(inner) => inner.value.get(),
-            #[cfg(feature = "serialize")]
+            #[cfg(feature = "serde")]
             Self::Serializable(inner, _) => unsafe { &mut **(inner.value.get() as *mut Box<T>) },
         }
     }
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl Serialize for UserDataStorage<()> {
     fn serialize<S: Serializer>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error> {
         match self {
@@ -197,7 +197,7 @@ impl<T: 'static> UserDataStorage<T> {
         Self::Scoped(ScopedUserDataVariant::RefMut(RefCell::new(data)))
     }
 
-    #[cfg(feature = "serialize")]
+    #[cfg(feature = "serde")]
     #[inline(always)]
     pub(crate) fn new_ser(data: T) -> Self
     where
@@ -209,7 +209,7 @@ impl<T: 'static> UserDataStorage<T> {
         Self::Owned(variant)
     }
 
-    #[cfg(feature = "serialize")]
+    #[cfg(feature = "serde")]
     #[inline(always)]
     pub(crate) fn is_serializable(&self) -> bool {
         matches!(self, Self::Owned(UserDataVariant::Serializable(..)))

src/value.rs

@@ -15,7 +15,7 @@ use crate::types::{Integer, LightUserData, Number, ValueRef};
 use crate::userdata::AnyUserData;
 use crate::util::{check_stack, StackGuard};
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 use {
     crate::table::SerializableTable,
     rustc_hash::FxHashSet,
@@ -481,8 +481,8 @@ impl Value {
     /// Wrap reference to this Value into [`SerializableValue`].
     ///
     /// This allows customizing serialization behavior using serde.
-    #[cfg(feature = "serialize")]
-    #[cfg_attr(docsrs, doc(cfg(feature = "serialize")))]
+    #[cfg(feature = "serde")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
     #[doc(hidden)]
     pub fn to_serializable(&self) -> SerializableValue {
         SerializableValue::new(self, Default::default(), None)
@@ -630,8 +630,8 @@ impl PartialEq for Value {
 }
 
 /// A wrapped [`Value`] with customized serialization behavior.
-#[cfg(feature = "serialize")]
-#[cfg_attr(docsrs, doc(cfg(feature = "serialize")))]
+#[cfg(feature = "serde")]
+#[cfg_attr(docsrs, doc(cfg(feature = "serde")))]
 pub struct SerializableValue<'a> {
     value: &'a Value,
     options: crate::serde::de::Options,
@@ -639,7 +639,7 @@ pub struct SerializableValue<'a> {
     visited: Option<Rc<RefCell<FxHashSet<*const c_void>>>>,
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl Serialize for Value {
     #[inline]
     fn serialize<S: Serializer>(&self, serializer: S) -> StdResult<S::Ok, S::Error> {
@@ -647,7 +647,7 @@ impl Serialize for Value {
     }
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl<'a> SerializableValue<'a> {
     #[inline]
     pub(crate) fn new(
@@ -711,7 +711,7 @@ impl<'a> SerializableValue<'a> {
     }
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl Serialize for SerializableValue<'_> {
     fn serialize<S>(&self, serializer: S) -> StdResult<S::Ok, S::Error>
     where

src/vector.rs

@@ -1,6 +1,6 @@
 use std::fmt;
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 use serde::ser::{Serialize, SerializeTupleStruct, Serializer};
 
 /// A Luau vector type.
@@ -66,7 +66,7 @@ impl Vector {
     }
 }
 
-#[cfg(feature = "serialize")]
+#[cfg(feature = "serde")]
 impl Serialize for Vector {
     fn serialize<S: Serializer>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error> {
         let mut ts = serializer.serialize_tuple_struct("Vector", Self::SIZE)?;