Fix warnings

Author: khvzak

src/state/extra.rs

@@ -12,7 +12,7 @@ use rustc_hash::FxHashMap;
 use crate::error::Result;
 use crate::state::RawLua;
 use crate::stdlib::StdLib;
-use crate::types::{AppData, ReentrantMutex, ValueRefIndex, XRc};
+use crate::types::{AppData, ReentrantMutex, XRc};
 use crate::userdata::RawUserDataRegistry;
 use crate::util::{get_internal_metatable, push_internal_userdata, TypeKey, WrappedFailure};
 
@@ -64,7 +64,7 @@ pub(crate) struct ExtraData {
     pub(super) wrapped_failure_top: usize,
     // Pool of `Thread`s (coroutines) for async execution
     #[cfg(feature = "async")]
-    pub(super) thread_pool: Vec<ValueRefIndex>,
+    pub(super) thread_pool: Vec<crate::types::ValueRefIndex>,
 
     // Address of `WrappedFailure` metatable
     pub(super) wrapped_failure_mt_ptr: *const c_void,

src/types.rs

@@ -18,7 +18,10 @@ pub(crate) type BoxFuture<'a, T> = futures_util::future::LocalBoxFuture<'a, T>;
 pub use app_data::{AppData, AppDataRef, AppDataRefMut};
 pub use either::Either;
 pub use registry_key::RegistryKey;
-pub(crate) use value_ref::{ValueRef, ValueRefIndex};
+pub(crate) use value_ref::ValueRef;
+
+#[cfg(feature = "async")]
+pub(crate) use value_ref::ValueRefIndex;
 
 /// Type of Lua integer numbers.
 pub type Integer = ffi::lua_Integer;

tests/scope.rs

@@ -382,7 +382,8 @@ fn test_scope_userdata_ref() -> Result<()> {
         modify_userdata(&lua, &ud)?;
 
         // We can only borrow userdata scoped
-        assert!((matches!(ud.borrow::<MyUserData>(), Err(Error::UserDataTypeMismatch))));
+        #[rustfmt::skip]
+        assert!(matches!(ud.borrow::<MyUserData>(), Err(Error::UserDataTypeMismatch)));
         ud.borrow_scoped::<MyUserData, ()>(|ud_inst| {
             assert_eq!(ud_inst.0.get(), 2);
         })?;
@@ -419,7 +420,8 @@ fn test_scope_userdata_ref_mut() -> Result<()> {
         let ud = scope.create_userdata_ref_mut(&mut data)?;
         modify_userdata(&lua, &ud)?;
 
-        assert!((matches!(ud.borrow_mut::<MyUserData>(), Err(Error::UserDataTypeMismatch))));
+        #[rustfmt::skip]
+        assert!(matches!(ud.borrow_mut::<MyUserData>(), Err(Error::UserDataTypeMismatch)));
         ud.borrow_mut_scoped::<MyUserData, ()>(|ud_inst| {
             ud_inst.0 += 10;
         })?;