pub fn next_power_of_2(n: u64) -> u64 {
n.next_power_of_two()
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test() {
use crate::next_power_of_2_table_const_usize::NEXT_POWER_OF_2;
for (i, &ans) in NEXT_POWER_OF_2.iter().enumerate() {
assert_eq!(next_power_of_2(i as u64) as usize, ans);
}
}
}