#[macro_export]
macro_rules! capture {
($eval:stmt) => {{
let mut out = $crate::gag::BufferRedirect::stdout().expect("redirected stdout required for test");
let mut err = $crate::gag::BufferRedirect::stderr().expect("redirected stderr required for test");
$eval
<std::io::Stdout as std::io::Write>::flush(&mut std::io::stdout()).expect("to flush stdout");
<std::io::Stderr as std::io::Write>::flush(&mut std::io::stderr()).expect("to flush stderr");
let mut stdout = String::new();
let mut stderr = String::new();
std::io::Read::read_to_string(&mut out, &mut stdout).expect("to copy captured stdout to string");
std::io::Read::read_to_string(&mut err, &mut stderr).expect("to copy captured stderr to string");
(stdout, stderr)
}}
}