RBE primitives array

rustbyexample/primitives/primitives_array.rs

@@ -0,0 +1,26 @@
+use std::mem;
+
+fn analyze_slice(slice: &[i32]) {
+    println!("first element of the slice: {}", slice[0]);
+    println!("the slice has {} elements", slice.len());
+}
+
+fn main() {
+    let xs: [i32; 5] = [1, 2, 3, 4, 5];
+    let ys: [i32; 500] = [0; 500];
+
+    println!("first element of the array: {}", xs[0]);
+    println!("second element of the array: {}", xs[1]);
+
+    println!("number of elements in the array: {}", xs.len());
+
+    println!("array occupies {} bytes", mem::size_of_val(&xs));
+
+    println!("borrow the whole array as a slice");
+    analyze_slice(&xs);
+
+    println!("borrow a section of the array as a slice");
+    analyze_slice(&ys[1..4]);
+
+    // println!("{}", xs[5]);
+}