diff --git a/src/args.rs b/src/args.rs
deleted file mode 100644
index d45d5c2..0000000
--- a/src/args.rs
+++ /dev/null
@@ -1,263 +0,0 @@
-#![allow(dead_code)]
-
-use std::time::Duration;
-
-use mlua::prelude::*;
-
-#[derive(Debug, Default)]
-pub enum Arg {
-    #[default]
-    Nil,
-    Bool(bool),
-    Number(f64),
-    String(String),
-}
-
-impl IntoLua<'_> for Arg {
-    #[inline]
-    fn into_lua(self, lua: &Lua) -> LuaResult<LuaValue> {
-        match self {
-            Arg::Nil => Ok(LuaValue::Nil),
-            Arg::Bool(b) => Ok(LuaValue::Boolean(b)),
-            Arg::Number(n) => Ok(LuaValue::Number(n)),
-            Arg::String(s) => Ok(LuaValue::String(lua.create_string(&s)?)),
-        }
-    }
-}
-
-// Primitives
-
-impl From<()> for Arg {
-    #[inline]
-    fn from(_: ()) -> Self {
-        Arg::Nil
-    }
-}
-
-impl From<bool> for Arg {
-    #[inline]
-    fn from(b: bool) -> Self {
-        Arg::Bool(b)
-    }
-}
-
-impl From<u8> for Arg {
-    #[inline]
-    fn from(u: u8) -> Self {
-        Arg::Number(u as f64)
-    }
-}
-
-impl From<u16> for Arg {
-    #[inline]
-    fn from(u: u16) -> Self {
-        Arg::Number(u as f64)
-    }
-}
-
-impl From<u32> for Arg {
-    #[inline]
-    fn from(u: u32) -> Self {
-        Arg::Number(u as f64)
-    }
-}
-
-impl From<u64> for Arg {
-    #[inline]
-    fn from(u: u64) -> Self {
-        Arg::Number(u as f64)
-    }
-}
-
-impl From<i8> for Arg {
-    #[inline]
-    fn from(i: i8) -> Self {
-        Arg::Number(i as f64)
-    }
-}
-
-impl From<i16> for Arg {
-    #[inline]
-    fn from(i: i16) -> Self {
-        Arg::Number(i as f64)
-    }
-}
-
-impl From<i32> for Arg {
-    #[inline]
-    fn from(i: i32) -> Self {
-        Arg::Number(i as f64)
-    }
-}
-
-impl From<i64> for Arg {
-    #[inline]
-    fn from(i: i64) -> Self {
-        Arg::Number(i as f64)
-    }
-}
-
-impl From<f32> for Arg {
-    #[inline]
-    fn from(n: f32) -> Self {
-        Arg::Number(n as f64)
-    }
-}
-
-impl From<f64> for Arg {
-    #[inline]
-    fn from(n: f64) -> Self {
-        Arg::Number(n)
-    }
-}
-
-impl From<String> for Arg {
-    #[inline]
-    fn from(s: String) -> Self {
-        Arg::String(s)
-    }
-}
-
-impl From<&String> for Arg {
-    #[inline]
-    fn from(s: &String) -> Self {
-        Arg::String(s.to_owned())
-    }
-}
-
-impl From<&str> for Arg {
-    #[inline]
-    fn from(s: &str) -> Self {
-        Arg::String(s.to_owned())
-    }
-}
-
-// Other types
-
-impl From<Duration> for Arg {
-    #[inline]
-    fn from(d: Duration) -> Self {
-        Arg::Number(d.as_secs_f64())
-    }
-}
-
-// Multi args
-
-#[derive(Debug, Default)]
-pub struct Args {
-    inner: Vec<Arg>,
-}
-
-impl Args {
-    #[inline]
-    pub fn new() -> Self {
-        Self::default()
-    }
-}
-
-impl IntoLuaMulti<'_> for Args {
-    #[inline]
-    fn into_lua_multi(self, lua: &Lua) -> LuaResult<LuaMultiValue> {
-        let mut values = Vec::new();
-        for arg in self.inner {
-            values.push(arg.into_lua(lua)?);
-        }
-        Ok(LuaMultiValue::from_vec(values))
-    }
-}
-
-// Boilerplate
-
-impl<T> From<T> for Args
-where
-    T: Into<Arg>,
-{
-    #[inline]
-    fn from(t: T) -> Self {
-        Args {
-            inner: vec![t.into()],
-        }
-    }
-}
-
-impl<T0, T1> From<(T0, T1)> for Args
-where
-    T0: Into<Arg>,
-    T1: Into<Arg>,
-{
-    #[inline]
-    fn from((t0, t1): (T0, T1)) -> Self {
-        Args {
-            inner: vec![t0.into(), t1.into()],
-        }
-    }
-}
-
-impl<T0, T1, T2> From<(T0, T1, T2)> for Args
-where
-    T0: Into<Arg>,
-    T1: Into<Arg>,
-    T2: Into<Arg>,
-{
-    #[inline]
-    fn from((t0, t1, t2): (T0, T1, T2)) -> Self {
-        Args {
-            inner: vec![t0.into(), t1.into(), t2.into()],
-        }
-    }
-}
-
-impl<T0, T1, T2, T3> From<(T0, T1, T2, T3)> for Args
-where
-    T0: Into<Arg>,
-    T1: Into<Arg>,
-    T2: Into<Arg>,
-    T3: Into<Arg>,
-{
-    #[inline]
-    fn from((t0, t1, t2, t3): (T0, T1, T2, T3)) -> Self {
-        Args {
-            inner: vec![t0.into(), t1.into(), t2.into(), t3.into()],
-        }
-    }
-}
-
-impl<T0, T1, T2, T3, T4> From<(T0, T1, T2, T3, T4)> for Args
-where
-    T0: Into<Arg>,
-    T1: Into<Arg>,
-    T2: Into<Arg>,
-    T3: Into<Arg>,
-    T4: Into<Arg>,
-{
-    #[inline]
-    fn from((t0, t1, t2, t3, t4): (T0, T1, T2, T3, T4)) -> Self {
-        Args {
-            inner: vec![t0.into(), t1.into(), t2.into(), t3.into(), t4.into()],
-        }
-    }
-}
-
-impl<T0, T1, T2, T3, T4, T5> From<(T0, T1, T2, T3, T4, T5)> for Args
-where
-    T0: Into<Arg>,
-    T1: Into<Arg>,
-    T2: Into<Arg>,
-    T3: Into<Arg>,
-    T4: Into<Arg>,
-    T5: Into<Arg>,
-{
-    #[inline]
-    fn from((t0, t1, t2, t3, t4, t5): (T0, T1, T2, T3, T4, T5)) -> Self {
-        Args {
-            inner: vec![
-                t0.into(),
-                t1.into(),
-                t2.into(),
-                t3.into(),
-                t4.into(),
-                t5.into(),
-            ],
-        }
-    }
-}
diff --git a/src/lua_ext.rs b/src/lua_ext.rs
index aa9654a..b8098d7 100644
--- a/src/lua_ext.rs
+++ b/src/lua_ext.rs
@@ -3,13 +3,13 @@ use std::future::Future;
 use mlua::prelude::*;
 use tokio::spawn;
 
-use crate::{Args, Message, MessageSender, ThreadId};
+use crate::{AsyncValues, Message, MessageSender, ThreadId};
 
 pub trait LuaSchedulerExt<'lua> {
     fn create_async_function<A, R, F, FR>(&'lua self, func: F) -> LuaResult<LuaFunction<'lua>>
     where
         A: FromLuaMulti<'lua> + 'static,
-        R: Into<Args> + Send + 'static,
+        R: Into<AsyncValues> + Send + 'static,
         F: Fn(&'lua Lua, A) -> FR + 'static,
         FR: Future<Output = LuaResult<R>> + Send + 'static;
 }
@@ -18,7 +18,7 @@ impl<'lua> LuaSchedulerExt<'lua> for Lua {
     fn create_async_function<A, R, F, FR>(&'lua self, func: F) -> LuaResult<LuaFunction<'lua>>
     where
         A: FromLuaMulti<'lua> + 'static,
-        R: Into<Args> + Send + 'static,
+        R: Into<AsyncValues> + Send + 'static,
         F: Fn(&'lua Lua, A) -> FR + 'static,
         FR: Future<Output = LuaResult<R>> + Send + 'static,
     {
diff --git a/src/main.rs b/src/main.rs
index c3161b9..686e2bb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -9,20 +9,20 @@ use tokio::{
     time::{sleep, Instant},
 };
 
-mod args;
 mod error_storage;
 mod lua;
 mod lua_ext;
 mod message;
 mod stats;
 mod thread_id;
+mod value;
 
-use args::*;
 use error_storage::*;
 use lua::*;
 use message::*;
 use stats::*;
 use thread_id::*;
+use value::*;
 
 const NUM_TEST_BATCHES: usize = 20;
 const NUM_TEST_THREADS: usize = 50_000;
@@ -82,7 +82,7 @@ fn main_lua_task(mut rx: MessageReceiver, tx: MessageSender, stats: Stats) -> Lu
         let main_fn = lua.load(MAIN_CHUNK).into_function()?;
         for _ in 0..NUM_TEST_THREADS {
             let thread = lua.create_thread(main_fn.clone())?;
-            runnable_threads.insert(ThreadId::from(&thread), (thread, Ok(Args::new())));
+            runnable_threads.insert(ThreadId::from(&thread), (thread, Ok(AsyncValues::new())));
         }
 
         loop {
@@ -99,7 +99,7 @@ fn main_lua_task(mut rx: MessageReceiver, tx: MessageSender, stats: Stats) -> Lu
                     Ok(a) => a,
                     Err(e) => {
                         error_storage.replace(e);
-                        Args::from(())
+                        AsyncValues::from(())
                     }
                 };
                 if let Err(e) = thread.resume::<_, ()>(args) {
@@ -177,7 +177,7 @@ async fn main_async_task(
                 spawn(async move {
                     sleep(duration).await;
                     let elapsed = Instant::now() - yielded_at;
-                    tx.send(Message::Resume(thread_id, Ok(Args::from(elapsed))))
+                    tx.send(Message::Resume(thread_id, Ok(AsyncValues::from(elapsed))))
                 });
             }
             Message::Error(_, e) => {
diff --git a/src/message.rs b/src/message.rs
index 282bd80..1563a4a 100644
--- a/src/message.rs
+++ b/src/message.rs
@@ -6,13 +6,13 @@ use tokio::{
     time::Instant,
 };
 
-use crate::{Args, ThreadId};
+use crate::{AsyncValues, ThreadId};
 
 pub type MessageSender = UnboundedSender<Message>;
 pub type MessageReceiver = UnboundedReceiver<Message>;
 
 pub enum Message {
-    Resume(ThreadId, LuaResult<Args>),
+    Resume(ThreadId, LuaResult<AsyncValues>),
     Cancel(ThreadId),
     Sleep(ThreadId, Instant, Duration),
     Error(ThreadId, Box<LuaError>),
diff --git a/src/value.rs b/src/value.rs
new file mode 100644
index 0000000..f6181a4
--- /dev/null
+++ b/src/value.rs
@@ -0,0 +1,287 @@
+#![allow(dead_code)]
+
+use std::time::Duration;
+
+use mlua::prelude::*;
+
+#[derive(Debug, Default)]
+pub enum AsyncValue {
+    #[default]
+    Nil,
+    Bool(bool),
+    Number(f64),
+    String(String),
+    Bytes(Vec<u8>),
+}
+
+impl IntoLua<'_> for AsyncValue {
+    #[inline]
+    fn into_lua(self, lua: &Lua) -> LuaResult<LuaValue> {
+        match self {
+            AsyncValue::Nil => Ok(LuaValue::Nil),
+            AsyncValue::Bool(b) => Ok(LuaValue::Boolean(b)),
+            AsyncValue::Number(n) => Ok(LuaValue::Number(n)),
+            AsyncValue::String(s) => Ok(LuaValue::String(lua.create_string(&s)?)),
+            AsyncValue::Bytes(b) => Ok(LuaValue::String(lua.create_string(&b)?)),
+        }
+    }
+}
+
+// Primitives
+
+impl From<()> for AsyncValue {
+    #[inline]
+    fn from(_: ()) -> Self {
+        AsyncValue::Nil
+    }
+}
+
+impl From<bool> for AsyncValue {
+    #[inline]
+    fn from(b: bool) -> Self {
+        AsyncValue::Bool(b)
+    }
+}
+
+impl From<u8> for AsyncValue {
+    #[inline]
+    fn from(u: u8) -> Self {
+        AsyncValue::Number(u as f64)
+    }
+}
+
+impl From<u16> for AsyncValue {
+    #[inline]
+    fn from(u: u16) -> Self {
+        AsyncValue::Number(u as f64)
+    }
+}
+
+impl From<u32> for AsyncValue {
+    #[inline]
+    fn from(u: u32) -> Self {
+        AsyncValue::Number(u as f64)
+    }
+}
+
+impl From<u64> for AsyncValue {
+    #[inline]
+    fn from(u: u64) -> Self {
+        AsyncValue::Number(u as f64)
+    }
+}
+
+impl From<i8> for AsyncValue {
+    #[inline]
+    fn from(i: i8) -> Self {
+        AsyncValue::Number(i as f64)
+    }
+}
+
+impl From<i16> for AsyncValue {
+    #[inline]
+    fn from(i: i16) -> Self {
+        AsyncValue::Number(i as f64)
+    }
+}
+
+impl From<i32> for AsyncValue {
+    #[inline]
+    fn from(i: i32) -> Self {
+        AsyncValue::Number(i as f64)
+    }
+}
+
+impl From<i64> for AsyncValue {
+    #[inline]
+    fn from(i: i64) -> Self {
+        AsyncValue::Number(i as f64)
+    }
+}
+
+impl From<f32> for AsyncValue {
+    #[inline]
+    fn from(n: f32) -> Self {
+        AsyncValue::Number(n as f64)
+    }
+}
+
+impl From<f64> for AsyncValue {
+    #[inline]
+    fn from(n: f64) -> Self {
+        AsyncValue::Number(n)
+    }
+}
+
+impl From<String> for AsyncValue {
+    #[inline]
+    fn from(s: String) -> Self {
+        AsyncValue::String(s)
+    }
+}
+
+impl From<&String> for AsyncValue {
+    #[inline]
+    fn from(s: &String) -> Self {
+        AsyncValue::String(s.to_owned())
+    }
+}
+
+impl From<&str> for AsyncValue {
+    #[inline]
+    fn from(s: &str) -> Self {
+        AsyncValue::String(s.to_owned())
+    }
+}
+
+impl From<Vec<u8>> for AsyncValue {
+    #[inline]
+    fn from(b: Vec<u8>) -> Self {
+        AsyncValue::Bytes(b)
+    }
+}
+
+impl From<&Vec<u8>> for AsyncValue {
+    #[inline]
+    fn from(b: &Vec<u8>) -> Self {
+        AsyncValue::Bytes(b.to_owned())
+    }
+}
+
+impl From<&[u8]> for AsyncValue {
+    #[inline]
+    fn from(b: &[u8]) -> Self {
+        AsyncValue::Bytes(b.to_owned())
+    }
+}
+
+// Other types
+
+impl From<Duration> for AsyncValue {
+    #[inline]
+    fn from(d: Duration) -> Self {
+        AsyncValue::Number(d.as_secs_f64())
+    }
+}
+
+// Multi args
+
+#[derive(Debug, Default)]
+pub struct AsyncValues {
+    inner: Vec<AsyncValue>,
+}
+
+impl AsyncValues {
+    #[inline]
+    pub fn new() -> Self {
+        Self::default()
+    }
+}
+
+impl IntoLuaMulti<'_> for AsyncValues {
+    #[inline]
+    fn into_lua_multi(self, lua: &Lua) -> LuaResult<LuaMultiValue> {
+        Ok(LuaMultiValue::from_vec(
+            self.inner
+                .into_iter()
+                .map(|arg| arg.into_lua(lua))
+                .collect::<LuaResult<Vec<_>>>()?,
+        ))
+    }
+}
+
+// Boilerplate
+
+impl<T> From<T> for AsyncValues
+where
+    T: Into<AsyncValue>,
+{
+    #[inline]
+    fn from(t: T) -> Self {
+        AsyncValues {
+            inner: vec![t.into()],
+        }
+    }
+}
+
+impl<T0, T1> From<(T0, T1)> for AsyncValues
+where
+    T0: Into<AsyncValue>,
+    T1: Into<AsyncValue>,
+{
+    #[inline]
+    fn from((t0, t1): (T0, T1)) -> Self {
+        AsyncValues {
+            inner: vec![t0.into(), t1.into()],
+        }
+    }
+}
+
+impl<T0, T1, T2> From<(T0, T1, T2)> for AsyncValues
+where
+    T0: Into<AsyncValue>,
+    T1: Into<AsyncValue>,
+    T2: Into<AsyncValue>,
+{
+    #[inline]
+    fn from((t0, t1, t2): (T0, T1, T2)) -> Self {
+        AsyncValues {
+            inner: vec![t0.into(), t1.into(), t2.into()],
+        }
+    }
+}
+
+impl<T0, T1, T2, T3> From<(T0, T1, T2, T3)> for AsyncValues
+where
+    T0: Into<AsyncValue>,
+    T1: Into<AsyncValue>,
+    T2: Into<AsyncValue>,
+    T3: Into<AsyncValue>,
+{
+    #[inline]
+    fn from((t0, t1, t2, t3): (T0, T1, T2, T3)) -> Self {
+        AsyncValues {
+            inner: vec![t0.into(), t1.into(), t2.into(), t3.into()],
+        }
+    }
+}
+
+impl<T0, T1, T2, T3, T4> From<(T0, T1, T2, T3, T4)> for AsyncValues
+where
+    T0: Into<AsyncValue>,
+    T1: Into<AsyncValue>,
+    T2: Into<AsyncValue>,
+    T3: Into<AsyncValue>,
+    T4: Into<AsyncValue>,
+{
+    #[inline]
+    fn from((t0, t1, t2, t3, t4): (T0, T1, T2, T3, T4)) -> Self {
+        AsyncValues {
+            inner: vec![t0.into(), t1.into(), t2.into(), t3.into(), t4.into()],
+        }
+    }
+}
+
+impl<T0, T1, T2, T3, T4, T5> From<(T0, T1, T2, T3, T4, T5)> for AsyncValues
+where
+    T0: Into<AsyncValue>,
+    T1: Into<AsyncValue>,
+    T2: Into<AsyncValue>,
+    T3: Into<AsyncValue>,
+    T4: Into<AsyncValue>,
+    T5: Into<AsyncValue>,
+{
+    #[inline]
+    fn from((t0, t1, t2, t3, t4, t5): (T0, T1, T2, T3, T4, T5)) -> Self {
+        AsyncValues {
+            inner: vec![
+                t0.into(),
+                t1.into(),
+                t2.into(),
+                t3.into(),
+                t4.into(),
+                t5.into(),
+            ],
+        }
+    }
+}