Fix no-std buld.
use crate::dynamic::{Dynamic, Variant};
-use crate::stdlib::{borrow::Cow, iter, string::String, vec::Vec};
+use crate::stdlib::{borrow::Cow, boxed::Box, iter, string::String, vec::Vec};
/// Type of an entry in the Scope.
#[derive(Debug, Eq, PartialEq, Hash, Copy, Clone)]
