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finish using_as exercise

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This commit is contained in:
lukaszKielar 2020-06-30 21:54:28 +02:00
parent 69e28a031c
commit 064130ace1
1 changed files with 3 additions and 6 deletions
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9
exercises/conversions/using_as.rs
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@ -2,16 +2,13 @@
// Please note that the `as` operator is not only used when type casting. // Please note that the `as` operator is not only used when type casting.
// It also helps with renaming imports. // It also helps with renaming imports.
// I AM NOT DONE
// The goal is to make sure that the division does not fail to compile // The goal is to make sure that the division does not fail to compile
fn average(values: &[f64]) -> f64 { fn average(values: &[f64]) -> f64 {
let total = values let total = values.iter().fold(0.0, |a, b| a + b);
.iter() total / (values.len() as f64)
.fold(0.0, |a, b| a + b);
total / values.len()
} }
fn main() { fn main() {
let values = [3.5, 0.3, 13.0, 11.7]; let values = [3.5, 0.3, 13.0, 11.7];
println!("{}", average(&values)); println!("{}", average(&values));
} }