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macro_rules! try_par {
($(let $name:ident = $f:expr),+) => {
$(
let mut $name = None;
)+
rayon::in_place_scope(|s| {
$(
let $name = &mut $name;
s.spawn(move |_| {
*$name = Some($f);
});)+
});
$(
let $name = $name.unwrap()?;
)+
};
}
macro_rules! par {
($(let $name:ident = $f:expr),+) => {
$(
let mut $name = None;
)+
rayon::in_place_scope(|s| {
$(
let $name = &mut $name;
s.spawn(move |_| {
*$name = Some($f);
});)+
});
$(
let $name = $name.unwrap();
)+
};
($(let ($name1:ident, $name2:ident) = $f:block),+) => {
$(
let mut $name1 = None;
let mut $name2 = None;
)+
rayon::in_place_scope(|s| {
$(
let $name1 = &mut $name1;
let $name2 = &mut $name2;
s.spawn(move |_| {
let (a, b) = $f;
*$name1 = Some(a);
*$name2 = Some(b);
});)+
});
$(
let $name1 = $name1.unwrap();
let $name2 = $name2.unwrap();
)+
}
}