Data update

Task/Associative-array-Merging/Rust/associative-array-merging.rs

@@ -0,0 +1,17 @@
+use std::collections::HashMap;
+
+fn main() {
+    let mut original = HashMap::new();
+    original.insert("name", "Rocket Skates");
+    original.insert("price", "12.75");
+    original.insert("color", "yellow");
+
+    let mut update = HashMap::new();
+    update.insert("price", "15.25");
+    update.insert("color", "red");
+    update.insert("year", "1974");
+
+    original.extend(&update);
+
+    println!("{:#?}", original);
+}