Data commit

Task/JSON/Rust/json-1.rust

@@ -0,0 +1,3 @@
+[dependencies]
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"

Task/JSON/Rust/json-2.rust

@@ -0,0 +1,7 @@
+use serde::{Serialize, Deserialize};
+
+#[derive(Serialize, Deserialize, Debug)]
+struct Point {
+    x: i32,
+    y: i32,
+}

Task/JSON/Rust/json-3.rust

@@ -0,0 +1,9 @@
+fn main() {
+    let point = Point { x: 1, y: 2 };
+
+    let serialized = serde_json::to_string(&point).unwrap();
+    let deserialized: Point = serde_json::from_str(&serialized).unwrap();
+
+    println!("serialized = {}", serialized);
+    println!("deserialized = {:?}", deserialized);
+}

Task/JSON/Rust/json-4.rust

@@ -0,0 +1,19 @@
+#[derive(Serialize, Deserialize)]
+struct W { a: i32, b: i32 }  // => { "a": 0, "b": 0 }
+
+#[derive(Serialize, Deserialize)]
+struct X(i32, i32);          // => [0, 0]
+
+#[derive(Serialize, Deserialize)]
+struct Y(i32);               // => 0
+
+#[derive(Serialize, Deserialize)]
+struct Z;                    // => null
+
+#[derive(Serialize, Deserialize)]
+enum E {
+    W { a: i32, b: i32 },    // => { "W": { "a": 0, "b": 0 } }
+    X(i32, i32),             // => { "X": [0, 0] }
+    Y(i32),                  // => { "Y": 0 }
+    Z,                       // => { "Z" }
+}

Task/JSON/Rust/json-5.rust

@@ -0,0 +1,10 @@
+use std::collections::HashMap;
+use serde_json::Value;
+
+#[derive(Serialize, Deserialize)]
+struct Data {
+    points: Vec<Points>,
+
+    #[serde(flatten)]
+    metadata: HashMap<String, Value>,
+}

Task/JSON/Rust/json-6.rust

@@ -0,0 +1,18 @@
+fn main() {
+    let data = {
+        let mut metadata = HashMap::new();
+        metadata.insert("triangle".to_string(), Value::Number(3.into()));
+        metadata.insert("square".to_string(), Value::Bool(false));
+
+        Data {
+            points: vec![Point { x: 1, y: 2 }, Point { x: 15, y: 32 }],
+            metadata,
+        }
+    };
+
+    let serialized = serde_json::to_string(&data).unwrap();
+    let deserialized: Data = serde_json::from_str(&serialized).unwrap();
+
+    println!("serialized = {}", serialized);
+    println!("deserialized = {:?}", deserialized);
+}