Remove argument from use_hook closure (#496)

Also; update docs for said function

packages/dioxus/tests/borrowedstate.rs

@@ -8,7 +8,7 @@ fn test_borrowed_state() {
 }
 
 fn Parent(cx: Scope) -> Element {
-    let value = cx.use_hook(|_| String::new());
+    let value = cx.use_hook(|| String::new());
 
     cx.render(rsx! {
         div {

packages/dioxus/tests/earlyabort.rs

@@ -20,7 +20,7 @@ fn new_dom<P: 'static + Send>(app: Component<P>, props: P) -> VirtualDom {
 #[test]
 fn test_early_abort() {
     const app: Component = |cx| {
-        let val = cx.use_hook(|_| 0);
+        let val = cx.use_hook(|| 0);
 
         *val += 1;
 

packages/dioxus/tests/lifecycle.rs

@@ -34,7 +34,7 @@ fn manual_diffing() {
 #[test]
 fn events_generate() {
     fn app(cx: Scope) -> Element {
-        let count = cx.use_hook(|_| 0);
+        let count = cx.use_hook(|| 0);
 
         let inner = match *count {
             0 => {
@@ -77,7 +77,7 @@ fn events_generate() {
 #[test]
 fn components_generate() {
     fn app(cx: Scope) -> Element {
-        let render_phase = cx.use_hook(|_| 0);
+        let render_phase = cx.use_hook(|| 0);
         *render_phase += 1;
 
         cx.render(match *render_phase {
@@ -171,7 +171,7 @@ fn components_generate() {
 #[test]
 fn component_swap() {
     fn app(cx: Scope) -> Element {
-        let render_phase = cx.use_hook(|_| 0);
+        let render_phase = cx.use_hook(|| 0);
         *render_phase += 1;
 
         cx.render(match *render_phase {

packages/dioxus/tests/miri_stress.rs

@@ -22,7 +22,7 @@ fn new_dom<P: 'static + Send>(app: Component<P>, props: P) -> VirtualDom {
 #[test]
 fn test_memory_leak() {
     fn app(cx: Scope) -> Element {
-        let val = cx.use_hook(|_| 0);
+        let val = cx.use_hook(|| 0);
 
         *val += 1;
 
@@ -30,7 +30,7 @@ fn test_memory_leak() {
             return None;
         }
 
-        let name = cx.use_hook(|_| String::from("asd"));
+        let name = cx.use_hook(|| String::from("asd"));
 
         cx.render(rsx!(
             div { "Hello, world!" }
@@ -79,7 +79,7 @@ fn test_memory_leak() {
 #[test]
 fn memo_works_properly() {
     fn app(cx: Scope) -> Element {
-        let val = cx.use_hook(|_| 0);
+        let val = cx.use_hook(|| 0);
 
         *val += 1;
 
@@ -87,7 +87,7 @@ fn memo_works_properly() {
             return None;
         }
 
-        let name = cx.use_hook(|_| String::from("asd"));
+        let name = cx.use_hook(|| String::from("asd"));
 
         cx.render(rsx!(
             div { "Hello, world! {name}" }
@@ -192,7 +192,7 @@ fn free_works_on_root_hooks() {
     }
 
     fn app(cx: Scope) -> Element {
-        let name = cx.use_hook(|_| Droppable(String::from("asd")));
+        let name = cx.use_hook(|| Droppable(String::from("asd")));
         rsx!(cx, div { "{name.0}" })
     }
 
@@ -204,7 +204,7 @@ fn free_works_on_root_hooks() {
 fn old_props_arent_stale() {
     fn app(cx: Scope) -> Element {
         dbg!("rendering parent");
-        let cnt = cx.use_hook(|_| 0);
+        let cnt = cx.use_hook(|| 0);
         *cnt += 1;
 
         if *cnt == 1 {

packages/dioxus/tests/sharedstate.rs

@@ -36,7 +36,7 @@ fn swap_test() {
     struct MySharedState(&'static str);
 
     fn app(cx: Scope) -> Element {
-        let val = cx.use_hook(|_| 0);
+        let val = cx.use_hook(|| 0);
         *val += 1;
 
         cx.provide_context(Rc::new(MySharedState("world!")));