added rust implementation

upperdim · upperdim · commit cf9340f8b179 · 2023-03-13T01:54:11.000+03:00
diff --git a/fp.rs b/fp.rs
@@ -0,0 +1,18 @@
+fn increment(n: i32) -> i32 {
+	n + 1
+}
+
+fn my_objective(arr: &mut [i32], f: fn(i32) -> i32) {
+	for elem in arr.iter_mut() {
+		*elem = f(*elem);
+	}
+}
+
+fn main() {
+	let mut arr: [i32; 5] = [0, 1, 2, 3, 4];
+	my_objective(&mut arr, increment);
+
+	for elem in arr.iter() {
+		print!("{} ", elem);
+	}
+}
