Random stuff, testing things, and so on.
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fn count(bits: usize) -> u32 {
let num_bits = usize::BITS;
num_bits as u32 - bits.leading_zeros() + 1
}
fn main() {
println!("{}", count(0b111));
println!("{}", count(0b1111_1111));
println!("{}", count(64)); // 1000000
println!("{}", 1 >> 1);
}