dyn-slice 3.2.2

&dyn [Trait] implementation, inspired by a Reddit thread.
Documentation 
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// Make sure that the returned slice from downcasting a dyn slice
// does not live longer than the original slice

use dyn_slice::standard::any;

fn main() {
    let _ = {
        let array_1 = [1, 2, 3, 4, 5];
        let slice_1 = any::new(&array_1);
        slice_1.downcast::<i32>().unwrap()
    };
}