Data update

Task/Variable-size-Get/Rust/variable-size-get.rs

@@ -0,0 +1,10 @@
+use std::mem;
+
+fn main() {
+    // Specify type
+    assert_eq!(4, mem::size_of::<i32>());
+
+    // Provide a value
+    let arr: [u16; 3] = [1, 2, 3];
+    assert_eq!(6, mem::size_of_val(&arr));
+}