use clap to control the number of measurements

Cargo.toml

@@ -8,4 +8,5 @@ edition = "2021"
 [dependencies]
 
 [dev-dependencies]
+clap = { version = "4.5.4", features = ["derive"] }
 rand = "0.8.5"

examples/arithmetic.rs

+use clap::Parser;
 use rand::Rng;
 
 fn arithmetic(b: &plnk::Bencher) {
@@ -11,9 +12,16 @@ fn random(b: &plnk::Bencher) {
     plnk::bench(b, "sampling", || plnk::timeit(|| rng.gen::<u128>()));
 }
 
+#[derive(Parser, Debug)]
+struct Args {
+    #[arg(short, long, default_value_t = 10)]
+    nb_measurements: usize,
+}
+
 fn main() {
-    const NB_MEASUREMENTS: usize = 10;
-    let bencher = plnk::Bencher::new(NB_MEASUREMENTS);
+    let args = Args::parse();
+
+    let bencher = plnk::Bencher::new(args.nb_measurements);
 
     arithmetic(&bencher.with_name("arithmetic"));
     random(&bencher.with_name("random"));

examples/capture.rs

+use clap::Parser;
+
 fn capture(b: &plnk::Bencher) {
     let outer = 10;
     plnk::bench(b, "dummy", || {
@@ -6,9 +8,16 @@ fn capture(b: &plnk::Bencher) {
     });
 }
 
+#[derive(Parser, Debug)]
+struct Args {
+    #[arg(short, long, default_value_t = 10)]
+    nb_measurements: usize,
+}
+
 fn main() {
-    const NB_MEASUREMENTS: usize = 10;
-    let bencher = plnk::Bencher::new(NB_MEASUREMENTS);
+    let args = Args::parse();
+
+    let bencher = plnk::Bencher::new(args.nb_measurements);
 
     capture(&bencher.with_name("capture"));
 }