New upstream version 1.65.0+dfsg1

[rustc.git] / vendor / clap / examples / tutorial_builder / 04_02_parse.rs

diff --git a/vendor/clap/examples/tutorial_builder/04_02_parse.rs b/vendor/clap/examples/tutorial_builder/04_02_parse.rs
index 817f056d0f418fdd078a885e6fbb089743d7644c..13f41a18e315664423f28097898cc0e7c1fedef7 100644 (file)
--- a/vendor/clap/examples/tutorial_builder/04_02_parse.rs
+++ b/vendor/clap/examples/tutorial_builder/04_02_parse.rs
@@ -1,17 +1,17 @@
-use clap::{arg, command};
+use clap::{arg, command, value_parser};
 
 fn main() {
-    let matches = command!()
+    let matches = command!() // requires `cargo` feature
         .arg(
             arg!(<PORT>)
                 .help("Network port to use")
-                .validator(|s| s.parse::<usize>()),
+                .value_parser(value_parser!(u16).range(1..)),
         )
         .get_matches();
 
     // Note, it's safe to call unwrap() because the arg is required
-    let port: usize = matches
-        .value_of_t("PORT")
+    let port: u16 = *matches
+        .get_one::<u16>("PORT")
         .expect("'PORT' is required and parsing will fail if its missing");
     println!("PORT = {}", port);
 }