m: Fix MSRV

Signed-off-by: John Nunley <dev@notgull.net>

.github/workflows/ci.yml

@@ -50,7 +50,7 @@ jobs:
       matrix:
         # When updating this, the reminder to update the minimum supported
         # Rust version in Cargo.toml.
-        rust: ['1.56']
+        rust: ['1.59']
     steps:
       - uses: actions/checkout@v4
       - name: Install Rust

Cargo.toml

@@ -6,7 +6,7 @@ name = "event-listener"
 version = "2.5.3"
 authors = ["Stjepan Glavina <stjepang@gmail.com>"]
 edition = "2021"
-rust-version = "1.56"
+rust-version = "1.59"
 description = "Notify async tasks or threads"
 license = "Apache-2.0 OR MIT"
 repository = "https://github.com/smol-rs/event-listener"
@@ -24,6 +24,5 @@ portable-atomic-crate = { version = "1.6.0", package = "portable-atomic", option
 portable-atomic-util = { version = "0.1.5", features = ["alloc"], optional = true }
 
 [dev-dependencies]
-futures = { version = "0.3", default-features = false, features = ["std"] }
 futures-lite = "2.3.0"
 waker-fn = "1"

src/linked_list/mod.rs

@@ -1,11 +1,11 @@
 //! Linked list of listeners.
 
 #[cfg(feature = "std")]
-mod std;
+mod mutex;
 #[cfg(feature = "std")]
-pub(crate) use std::*;
+pub(crate) use mutex::*;
 
 #[cfg(not(feature = "std"))]
-mod no_std;
+mod lock_free;
 #[cfg(not(feature = "std"))]
-pub(crate) use no_std::*;
+pub(crate) use lock_free::*;