Merge branch 'correct-name-but-wrong-type' into 'master'

get_widget: Warn about potential type mismatch

See merge request !4

src/lib.rs

@@ -30,11 +30,11 @@
 #[macro_export]
 macro_rules! get_widget {
     ($builder:expr, $wtype:ty, @$name:ident) => {{
-        let $name: $wtype = $builder.get_object(stringify!($name)).expect(&format!("Could not find widget \"{}\"", stringify!($name)));
+        let $name: $wtype = $builder.get_object(stringify!($name)).expect(&format!("Could not find widget \"{}\" of type \"{}\"", stringify!($name), stringify!($wtype)));
         $name
     }};
     ($builder:expr, $wtype:ty, $name:ident) => {
-        let $name: $wtype = $builder.get_object(stringify!($name)).expect(&format!("Could not find widget \"{}\"", stringify!($name)));
+        let $name: $wtype = $builder.get_object(stringify!($name)).expect(&format!("Could not find widget \"{}\" of type \"{}\"", stringify!($name), stringify!($wtype)));
     };
 }