#[cfg(not(feature = "std"))]
type Box<T> = alloc::boxed::Box<T>;
#[cfg(feature = "std")]
type Box<T> = std::boxed::Box<T>;
impl<S> Signal for Box<S>
where
S: Signal + ?Sized,
{
type Frame = S::Frame;
#[inline]
fn next(&mut self) -> Self::Frame {
(**self).next()
}
#[inline]
fn is_exhausted(&self) -> bool {
(**self).is_exhausted()
}
}