Data commit

Task/Map-range/Rust/map-range.rust

@@ -0,0 +1,18 @@
+use std::ops::{Add, Sub, Mul, Div};
+
+fn map_range<T: Copy>(from_range: (T, T), to_range: (T, T), s: T) -> T
+    where T: Add<T, Output=T> +
+             Sub<T, Output=T> +
+             Mul<T, Output=T> +
+             Div<T, Output=T>
+{
+    to_range.0 + (s - from_range.0) * (to_range.1 - to_range.0) / (from_range.1 - from_range.0)
+}
+
+fn main() {
+    let input: Vec<f64> = vec![0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0];
+    let result = input.into_iter()
+        .map(|x| map_range((0.0, 10.0), (-1.0, 0.0), x))
+        .collect::<Vec<f64>>();
+    print!("{:?}", result);
+}