no implicit prelude.

packages/yew-macro/tests/hook_attr/hook-dynamic-dispatch-pass.rs

@@ -1,8 +1,8 @@
-use yew::prelude::*;
+#![no_implicit_prelude]
 
-#[hook]
-fn use_boxed_fn(_f: Box<dyn Fn(&str) -> &str>) {
-    todo!()
+#[::yew::prelude::hook]
+fn use_boxed_fn(_f: ::std::boxed::Box<dyn::std::ops::Fn(&str) -> &str>) {
+    ::std::todo!()
 }
 
 fn main() {}

packages/yew-macro/tests/hook_attr/hook-return-impl-trait-pass.rs

@@ -1,11 +1,8 @@
-use std::ops::Deref;
-use std::rc::Rc;
+#![no_implicit_prelude]
 
-use yew::prelude::*;
-
-#[hook]
-fn use_deref_as_u32() -> impl Deref<Target = u32> {
-    Rc::new(0)
+#[::yew::prelude::hook]
+fn use_deref_as_u32() -> impl ::std::ops::Deref<Target = ::std::primitive::u32> {
+    ::std::rc::Rc::new(0)
 }
 
 fn main() {}

packages/yew-macro/tests/hook_attr/hook-return-ref-pass.rs

@@ -1,7 +1,7 @@
-use yew::prelude::*;
+#![no_implicit_prelude]
 
-#[hook]
-fn use_str_ref(f: &str) -> &str {
+#[::yew::prelude::hook]
+fn use_str_ref(f: &::std::primitive::str) -> &::std::primitive::str {
     f
 }