From 2a93c1d327b4a6771126a6fb9887bd4d7e5aa0c5 Mon Sep 17 00:00:00 2001
From: Fabio Valentini <decathorpe@gmail.com>
Date: Sat, 18 Jan 2025 18:57:50 +0100
Subject: [PATCH] examples: port from structopt to clap/derive

---
 Cargo.toml          |  2 +-
 examples/dd_test.rs | 14 +++++++-------
 2 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index c30d05e..ed26eca 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -25,5 +25,5 @@ env_logger = "0.10.0"
 
 [dev-dependencies]
 rayon = "1.8.0"
-structopt = "0.3.26"
+clap = { version = "4", features = ["derive"] }
 byte-unit = "4.0.19"
diff --git a/examples/dd_test.rs b/examples/dd_test.rs
index 63fcea3..2415836 100644
--- a/examples/dd_test.rs
+++ b/examples/dd_test.rs
@@ -18,18 +18,18 @@ use byte_unit::Byte;
 use cmd_lib::*;
 use rayon::prelude::*;
 use std::time::Instant;
-use structopt::StructOpt;
+use clap::Parser;
 
 const DATA_SIZE: u64 = 10 * 1024 * 1024 * 1024; // 10GB data
 
-#[derive(StructOpt)]
-#[structopt(name = "dd_test", about = "Get disk read bandwidth.")]
+#[derive(Parser)]
+#[clap(name = "dd_test", about = "Get disk read bandwidth.")]
 struct Opt {
-    #[structopt(short, default_value = "4096")]
+    #[clap(short, default_value = "4096")]
     block_size: u64,
-    #[structopt(short, default_value = "1")]
+    #[clap(short, default_value = "1")]
     thread_num: u64,
-    #[structopt(short)]
+    #[clap(short)]
     file: String,
 }
 
@@ -39,7 +39,7 @@ fn main() -> CmdResult {
         block_size,
         thread_num,
         file,
-    } = Opt::from_args();
+    } = Opt::parse();
 
     run_cmd! (
         info "Dropping caches at first";