24 lines
449 B
Rust
24 lines
449 B
Rust
// Calculates the power of 2 using a bit shift.
|
|
// `1 << n` is equivalent to "2 to the power of n".
|
|
fn power_of_2(n: u8) -> u64 {
|
|
1 << n
|
|
}
|
|
|
|
fn main() {
|
|
// You can optionally experiment here.
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn you_can_assert_eq() {
|
|
// TODO: Test the function `power_of_2` with some values.
|
|
assert_eq!();
|
|
assert_eq!();
|
|
assert_eq!();
|
|
assert_eq!();
|
|
}
|
|
}
|