September 2017 Update

Task/Catamorphism/Rust/catamorphism.rust

@@ -0,0 +1,7 @@
+fn main() {
+    println!("Sum: {}", (1..10).fold(0, |acc, n| acc + n));
+    println!("Product: {}", (1..10).fold(1, |acc, n| acc * n));
+    let chars = ['a', 'b', 'c', 'd', 'e'];
+    println!("Concatenation: {}",
+             chars.iter().map(|&c| (c as u8 + 1) as char).collect::<String>());
+}