diff --git a/Cargo.toml b/Cargo.toml
index 8b0d0e8..7b35474 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "futures-signals-ext"
 version = "0.4.0"
 authors = ["martin.kolarik@smartcontrol.cz"]
 description = "Extension to futures-signals: MutableOption with combinators, spawning, predicate driven selections from SignalVec."
-edition = "2021"
+edition = "2024"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/martin-kolarik/futures-signals-ext"
 homepage = "https://github.com/martin-kolarik/futures-signals-ext"
diff --git a/src/entry.rs b/src/entry.rs
index 8e472ff..452be51 100644
--- a/src/entry.rs
+++ b/src/entry.rs
@@ -133,7 +133,7 @@ impl<'a, V: Copy> Value<'a, V> {
     where
         V: PartialEq,
     {
-        if &self.value != &value {
+        if self.value != value {
             self.value = value;
             self.modified = true;
         }
@@ -152,7 +152,7 @@ impl<'a, V: Copy> Value<'a, V> {
     }
 }
 
-impl<'a, V: Copy> Deref for Value<'a, V> {
+impl<V: Copy> Deref for Value<'_, V> {
     type Target = V;
 
     fn deref(&self) -> &V {
@@ -160,7 +160,7 @@ impl<'a, V: Copy> Deref for Value<'a, V> {
     }
 }
 
-impl<'a, V: Copy> Drop for Value<'a, V> {
+impl<V: Copy> Drop for Value<'_, V> {
     fn drop(&mut self) {
         if self.modified
             && let Some(mut entry) = self.entry.take()
@@ -301,7 +301,7 @@ impl<'a, V: Clone> ValueCloned<'a, V> {
     where
         V: PartialEq,
     {
-        if &self.value != &value {
+        if self.value != value {
             self.value = value;
             self.modified = true;
         }
@@ -320,7 +320,7 @@ impl<'a, V: Clone> ValueCloned<'a, V> {
     }
 }
 
-impl<'a, V: Clone> Deref for ValueCloned<'a, V> {
+impl<V: Clone> Deref for ValueCloned<'_, V> {
     type Target = V;
 
     fn deref(&self) -> &V {
@@ -328,7 +328,7 @@ impl<'a, V: Clone> Deref for ValueCloned<'a, V> {
     }
 }
 
-impl<'a, V: Clone> Drop for ValueCloned<'a, V> {
+impl<V: Clone> Drop for ValueCloned<'_, V> {
     fn drop(&mut self) {
         if self.modified
             && let Some(mut entry) = self.entry.take()
@@ -339,17 +339,17 @@ impl<'a, V: Clone> Drop for ValueCloned<'a, V> {
 }
 
 pub trait MutableVecEntry<V> {
-    fn entry<'a, F>(&'a self, f: F) -> Entry<'a, V>
+    fn entry<F>(&self, f: F) -> Entry<V>
     where
         F: FnMut(&V) -> bool;
 
-    fn entry_cloned<'a, F>(&'a self, f: F) -> EntryCloned<'a, V>
+    fn entry_cloned<F>(&self, f: F) -> EntryCloned<V>
     where
         F: FnMut(&V) -> bool;
 }
 
 impl<V> MutableVecEntry<V> for MutableVec<V> {
-    fn entry<'a, F>(&'a self, f: F) -> Entry<'a, V>
+    fn entry<F>(&self, f: F) -> Entry<V>
     where
         F: FnMut(&V) -> bool,
     {
@@ -358,7 +358,7 @@ impl<V> MutableVecEntry<V> for MutableVec<V> {
         Entry { key, lock }
     }
 
-    fn entry_cloned<'a, F>(&'a self, f: F) -> EntryCloned<'a, V>
+    fn entry_cloned<F>(&self, f: F) -> EntryCloned<V>
     where
         F: FnMut(&V) -> bool,
     {
diff --git a/src/option.rs b/src/option.rs
index 9db0b8a..439d12e 100644
--- a/src/option.rs
+++ b/src/option.rs
@@ -96,42 +96,49 @@ impl<T> MutableOption<T> {
         self.0.lock_ref().as_ref().and_then(f)
     }
 
-    pub fn signal_some_default(&self) -> impl Signal<Item = T>
+    pub fn signal_some_default(&self) -> impl Signal<Item = T> + use<T>
     where
         T: Default + Copy,
     {
         self.signal_map_some_default(|v| *v)
     }
 
-    pub fn signal_cloned_some_default(&self) -> impl Signal<Item = T>
+    pub fn signal_cloned_some_default(&self) -> impl Signal<Item = T> + use<T>
     where
         T: Default + Clone,
     {
         self.signal_map_some_default(|v| v.clone())
     }
 
-    pub fn signal_map<F, U>(&self, mut f: F) -> impl Signal<Item = Option<U>>
+    pub fn signal_map<F, U>(&self, mut f: F) -> impl Signal<Item = Option<U>> + use<T, F, U>
     where
         F: FnMut(Option<&T>) -> Option<U>,
     {
         self.0.signal_ref(move |v| f(v.as_ref()))
     }
 
-    pub fn signal_map_some<F, U>(&self, mut f: F) -> impl Signal<Item = Option<U>>
+    pub fn signal_map_some<F, U>(&self, mut f: F) -> impl Signal<Item = Option<U>> + use<T, F, U>
     where
         F: FnMut(&T) -> U,
     {
         self.0.signal_ref(move |v| v.as_ref().map(&mut f))
     }
 
-    pub fn signal_and_then_some<F, U>(&self, mut f: F) -> impl Signal<Item = Option<U>>
+    pub fn signal_and_then_some<F, U>(
+        &self,
+        mut f: F,
+    ) -> impl Signal<Item = Option<U>> + use<T, F, U>
     where
         F: FnMut(&T) -> Option<U>,
     {
         self.0.signal_ref(move |v| v.as_ref().and_then(&mut f))
     }
 
-    pub fn signal_and_then_some_or<F, U>(&self, mut f: F, default: U) -> impl Signal<Item = U>
+    pub fn signal_and_then_some_or<F, U>(
+        &self,
+        mut f: F,
+        default: U,
+    ) -> impl Signal<Item = U> + use<T, F, U>
     where
         F: FnMut(&T) -> Option<U>,
         U: Clone,
@@ -147,7 +154,7 @@ impl<T> MutableOption<T> {
         &self,
         mut f: F,
         default: D,
-    ) -> impl Signal<Item = U>
+    ) -> impl Signal<Item = U> + use<T, F, D, U>
     where
         F: FnMut(&T) -> Option<U>,
         D: FnOnce() -> U + Clone,
@@ -156,7 +163,11 @@ impl<T> MutableOption<T> {
             .signal_ref(move |v| v.as_ref().and_then(&mut f).unwrap_or_else(default.clone()))
     }
 
-    pub fn signal_map_some_or<F, U>(&self, mut f: F, default: U) -> impl Signal<Item = U>
+    pub fn signal_map_some_or<F, U>(
+        &self,
+        mut f: F,
+        default: U,
+    ) -> impl Signal<Item = U> + use<T, F, U>
     where
         F: FnMut(&T) -> U,
         U: Clone,
@@ -165,7 +176,11 @@ impl<T> MutableOption<T> {
             .signal_ref(move |v| v.as_ref().map(&mut f).unwrap_or(default.clone()))
     }
 
-    pub fn signal_map_some_or_else<F, D, U>(&self, mut f: F, default: D) -> impl Signal<Item = U>
+    pub fn signal_map_some_or_else<F, D, U>(
+        &self,
+        mut f: F,
+        default: D,
+    ) -> impl Signal<Item = U> + use<T, F, D, U>
     where
         F: FnMut(&T) -> U,
         D: FnOnce() -> U + Clone,
@@ -174,7 +189,7 @@ impl<T> MutableOption<T> {
             .signal_ref(move |v| v.as_ref().map(&mut f).unwrap_or_else(default.clone()))
     }
 
-    pub fn signal_map_some_default<F, U>(&self, mut f: F) -> impl Signal<Item = U>
+    pub fn signal_map_some_default<F, U>(&self, mut f: F) -> impl Signal<Item = U> + use<T, F, U>
     where
         F: FnMut(&T) -> U,
         U: Default,
diff --git a/src/spawn.rs b/src/spawn.rs
index 6c32de9..fce4528 100644
--- a/src/spawn.rs
+++ b/src/spawn.rs
@@ -43,7 +43,7 @@ pub trait SignalVecSpawn<A> {
 
 #[cfg(not(target_os = "unknown"))]
 mod os {
-    use std::future::{ready, Future};
+    use std::future::{Future, ready};
 
     use futures_signals::{
         signal::{Signal, SignalExt},
@@ -95,7 +95,7 @@ mod os {
             F: Fn(A) -> W + 'static,
             W: Future<Output = ()> + 'static,
         {
-            artwrap::spawn_local(self.for_each(move |new| f(new)));
+            artwrap::spawn_local(self.for_each(f));
         }
     }
 
@@ -130,7 +130,7 @@ mod os {
 
 #[cfg(all(target_arch = "wasm32", feature = "spawn-local"))]
 mod wasm {
-    use std::future::{ready, Future};
+    use std::future::{Future, ready};
 
     use futures_signals::{
         signal::{Signal, SignalExt},