Code shared from the Rust Playground

playground.rs

trait Debuggable {
    fn debug(self) -> Self
    where
        Self: Sized + std::fmt::Debug,
    {
        dbg!(self)
    }
}

impl<T> Debuggable for T {}

fn main() {
    let _x = "hello".debug();
    let _ys = (0..10).debug().map(|x| x * 3).collect::<Vec<usize>>().debug();
}

Output:

   Compiling playground v0.0.1 (/playground)
    Finished dev [unoptimized + debuginfo] target(s) in 2.84s
     Running `target/debug/playground`
[src/main.rs:6] self = "hello"
[src/main.rs:6] self = 0..10
[src/main.rs:6] self = [
    0,
    3,
    6,
    9,
    12,
    15,
    18,
    21,
    24,
    27,
]

https://play.rust-lang.org/?version=stable&mode=debug&edition=2018&gist=b5071941167d5b8b246f4d85fb76770b