use std::fmt::Debug;

pub fn type_name<T: Default + Debug>() -> String {
    format!("{:?}", T::default()).split_whitespace().next().unwrap().to_owned()
}

#[derive(Debug, Default)]
struct Foo;

#[derive(Debug, Default)]
struct Bar;

fn main() {
    println!("{} {}", type_name::<Foo>(), type_name::<Bar>())
}