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-rw-r--r--vendor/clap/examples/tutorial_builder/03_01_flag_bool.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/vendor/clap/examples/tutorial_builder/03_01_flag_bool.rs b/vendor/clap/examples/tutorial_builder/03_01_flag_bool.rs
new file mode 100644
index 000000000..41ecbb1d7
--- /dev/null
+++ b/vendor/clap/examples/tutorial_builder/03_01_flag_bool.rs
@@ -0,0 +1,21 @@
+// Note: this requires the `cargo` feature
+
+use clap::{command, Arg, ArgAction};
+
+fn main() {
+ let matches = command!()
+ .arg(
+ Arg::new("verbose")
+ .short('v')
+ .long("verbose")
+ .action(ArgAction::SetTrue),
+ )
+ .get_matches();
+
+ println!(
+ "verbose: {:?}",
+ *matches
+ .get_one::<bool>("verbose")
+ .expect("defaulted by clap")
+ );
+}