From 803e32dad2395d309b74b9fde6b9e08577cf8a0a Mon Sep 17 00:00:00 2001 From: mo8it Date: Thu, 27 Jun 2024 16:40:26 +0200 Subject: tests2 solution --- solutions/17_tests/tests2.rs | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) (limited to 'solutions/17_tests/tests2.rs') diff --git a/solutions/17_tests/tests2.rs b/solutions/17_tests/tests2.rs index 4e18198..39a0005 100644 --- a/solutions/17_tests/tests2.rs +++ b/solutions/17_tests/tests2.rs @@ -1 +1,22 @@ -// Solutions will be available before the stable release. Thank you for testing the beta version 🥰 +// 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