Testing if Tokio allows send and recv in the same run

tokiosendrecv/Cargo.lock

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+name = "tokiosendrecv"
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+dependencies = [
+ "tokio",
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tokiosendrecv/Cargo.toml

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+[package]
+name = "tokiosendrecv"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tokio = { version = "1.17.0", features = ["rt", "sync", "macros"] }

tokiosendrecv/src/main.rs

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+use tokio::sync::mpsc;
+
+#[tokio::main(flavor = "current_thread")]
+async fn main() {
+    let (tx, mut rx) = mpsc::channel(2);
+    if let Err(_) = tx.send(2).await {
+        println!("Failed to send message");
+    }
+    if let Err(_) = tx.send(3).await {
+        println!("Failed to send second message");
+    }
+
+    let response = rx.recv().await;
+    println!("Response: {:?}", response);
+}