From 841ca3667e6971ef924a0c4367ec03a0f96c7a71 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@sequoia-pgp.org>
Date: Thu, 29 Sep 2022 16:28:53 +0300
Subject: allow user to specify who gets greeted

Sponsored-by: author
---
 Cargo.toml  |  1 +
 src/main.rs | 11 ++++++++++-
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index b586046..eb81e2f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,3 +6,4 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+clap = { version = "4.0.2", features = ["derive"] }
diff --git a/src/main.rs b/src/main.rs
index e7a11a9..d1d7e5d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,12 @@
+use clap::Parser;
+
 fn main() {
-    println!("Hello, world!");
+    let args = Args::parse();
+    println!("hello, {}", args.whom);
+}
+
+#[derive(Parser)]
+struct Args {
+    #[clap(default_value = "world")]
+    whom: String,
 }
-- 
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