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use enclose::enclose;
use std::sync::Arc;
fn main() {
let clone_data = Arc::new(0);
let add_data = Arc::new(100);
// I also note that any expressions can be used, but the main thing is to
// put the @ symbol at the beginning of the variable, and not forget to assign
// a new name to the variable using =>.
my_enclose(
enclose!((@*clone_data => mut clone_data: usize, @*(add_data.clone()) => add_data,) || {
// (@*clone_data => mut clone_data, @*(add_data.clone()) => add_data) ->
// let mut clone_data = *clone_data;
// let add_data = *(add_data.clone());
println!("#0 {:?}", clone_data);
clone_data += add_data;
println!("#1 {:?}", clone_data);
assert_eq!(clone_data, 100);
}),
);
assert_eq!(*clone_data, 0);
}
#[inline]
fn my_enclose<F: FnOnce() -> R, R>(a: F) -> R {
a()
}
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