Change the #[function_component] macro to #[component] by default

Author: tdooms

examples/communication_grandchild_with_grandparent/src/main.rs

@@ -9,8 +9,8 @@ mod grandparent;
 mod parent;
 
 use yew::{
-    component, html, AttrValue, Callback, Component, Context, ContextHandle,
-    ContextProvider, Html, Properties,
+    component, html, AttrValue, Callback, Component, Context, ContextHandle, ContextProvider, Html,
+    Properties,
 };
 
 /// This is the shared state between the parent and child components.

packages/yew-macro/src/function_component.rs

@@ -35,7 +35,8 @@ impl Parse for FunctionComponent {
             item => {
                 return Err(syn::Error::new_spanned(
                     item,
-                    "the `component` or `function_component` attribute can only be applied to functions",
+                    "the `component` or `function_component` attribute can only be applied to \
+                     functions",
                 ))
             }
         };