Add hyper http client example

Author: pymongo

Cargo.toml

@@ -32,4 +32,6 @@ actix-utils = "1.0.3"
 awc = "*" # actix_web_client
 actix-codec = "*"
 futures = "*"
-toml = "*"
+toml = "*"
+hyper = "*"
+hyper-tls = "*"

examples/hyper_http_client.rs

@@ -0,0 +1,28 @@
+use bytes::buf::BufExt;
+
+#[cfg(debug_assertions)]
+const URL: &str = "https://jsonplaceholder.typicode.com/users/1";
+
+#[tokio::test(core_threads = 1)]
+async fn simple_http_request() -> Result<(), Box<dyn std::error::Error>> {
+    let res = hyper::Client::new()
+        .get(URL.replace("https", "http").parse()?)
+        .await?;
+    let res_body = hyper::body::aggregate(res).await?;
+    let res_json: serde_json::Value = serde_json::from_reader(res_body.reader())?;
+    dbg!(res_json);
+    Ok(())
+}
+
+#[tokio::test(core_threads = 1)]
+async fn hyper_https_request() -> Result<(), Box<dyn std::error::Error>> {
+    let https_client =
+        hyper::Client::builder().build::<_, hyper::Body>(hyper_tls::HttpsConnector::new());
+    let res = https_client.get(URL.parse()?).await?;
+    let res_json: serde_json::Value =
+        serde_json::from_reader(hyper::body::aggregate(res).await?.reader())?;
+    dbg!(res_json);
+    Ok(())
+}
+
+fn main() {}

examples/macro_impl_dbg.rs

@@ -0,0 +1,20 @@
+macro_rules! my_dbg {
+    ($expr:expr) => {
+        println!(
+            "[{}:{}] {} = {:#?}",
+            file!(),
+            line!(),
+            stringify!($expr),
+            $expr
+        );
+    };
+}
+
+fn main() {
+    my_dbg!(1 + 1);
+    dbg!(1 + 1);
+    my_dbg!((1, 2));
+    dbg!((1, 2));
+    dbg!(1, 2, 3);
+    // TODO my_dbg!(1, 2, 3);
+}

examples/read_toml_config_file.rs

@@ -61,13 +61,13 @@ struct MySQLConfig {
 #[derive(Deserialize)]
 struct DbName {
     production: String,
-    test: Option<String>
+    test: Option<String>,
 }
 
 #[derive(Deserialize)]
 struct RedisClusterConfig {
     url: String,
-    password: Option<String>
+    password: Option<String>,
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {