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use crate::TypeName; impl TypeName for String { fn build_type_name<F: FnMut(&str)>(mut f: F) { f("alloc::string::String"); } } impl<T: TypeName> TypeName for Box<T> { fn build_type_name<F: FnMut(&str)>(mut f: F) { f("alloc::boxed::Box<"); T::build_type_name(&mut f); f(">"); } } impl<T: TypeName> TypeName for Vec<T> { fn build_type_name<F: FnMut(&str)>(mut f: F) { f("alloc::vec::Vec<"); T::build_type_name(&mut f); f(">"); } }