}
#[derive(Default)]
-pub struct OptionRefWrapper<'a, T: 'a>(Option<&'a T>);
+pub struct OptionRefWrapper<'a, T>(Option<&'a T>);
-impl<'a, T: 'a> OptionRefWrapper<'a, T> {
+impl<'a, T> OptionRefWrapper<'a, T> {
pub fn new() -> Self {
OptionRefWrapper(None)
}