auto-import
The auto_import::magic!{} macro expands to whatever
use statements you need to make the rest of the code compile.
https://twitter.com/m_ou_se/status/1527209443309633536
Please do not use this.
Example
auto_import::magic!();
fn main() {
let _ = BTreeMap::<File, PathBuf>::new();
let _ = i32::from_str("123");
std::io::stdout().write_all(b"!\n").unwrap();
}$ cargo run
Compiling auto-import v0.1.0
Compiling example v0.1.0
Injecting use std::collections::BTreeMap;
Injecting use std::fs::File;
Injecting use std::path::PathBuf;
Injecting use std::str::FromStr;
Injecting use std::io::Write;
Finished dev [unoptimized + debuginfo] target(s) in 0.60s
Running `target/debug/example`
!