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/ --- .../rustlings/exercises/23_conversions/using_as.rs | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 rust/rustlings/exercises/23_conversions/using_as.rs (limited to 'rust/rustlings/exercises/23_conversions/using_as.rs') diff --git a/rust/rustlings/exercises/23_conversions/using_as.rs b/rust/rustlings/exercises/23_conversions/using_as.rs new file mode 100644 index 0000000..c131d1f --- /dev/null +++ b/rust/rustlings/exercises/23_conversions/using_as.rs @@ -0,0 +1,24 @@ +// Type casting in Rust is done via the usage of the `as` operator. +// Note that the `as` operator is not only used when type casting. It also helps +// with renaming imports. + +fn average(values: &[f64]) -> f64 { + let total = values.iter().sum::(); + // TODO: Make a conversion before dividing. + total / values.len() +} + +fn main() { + let values = [3.5, 0.3, 13.0, 11.7]; + println!("{}", average(&values)); +} + +#[cfg(test)] +mod tests { + use super::*; + + #[test] + fn returns_proper_type_and_value() { + assert_eq!(average(&[3.5, 0.3, 13.0, 11.7]), 7.125); + } +} -- cgit v1.2.3