From 4dfc11d74ab02ac5765ae5d08fb750c91f4744b4 Mon Sep 17 00:00:00 2001 From: Hunter Kvalevog Date: Fri, 2 Oct 2026 21:53:51 -0500 Subject: rustlings: move to rust/ --- rust/rustlings/solutions/17_tests/tests2.rs | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) create mode 100644 rust/rustlings/solutions/17_tests/tests2.rs (limited to 'rust/rustlings/solutions/17_tests/tests2.rs') diff --git a/rust/rustlings/solutions/17_tests/tests2.rs b/rust/rustlings/solutions/17_tests/tests2.rs new file mode 100644 index 0000000..39a0005 --- /dev/null +++ b/rust/rustlings/solutions/17_tests/tests2.rs @@ -0,0 +1,22 @@ +// 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() { + assert_eq!(power_of_2(0), 1); + assert_eq!(power_of_2(1), 2); + assert_eq!(power_of_2(2), 4); + assert_eq!(power_of_2(3), 8); + } +} -- cgit v1.2.3