From c29ba3d67a9841ebe44eda1baeafc2cc6a3ca228 Mon Sep 17 00:00:00 2001
From: Vasili Novikov <vn971@users.noreply.github.com>
Date: Mon, 11 Mar 2019 23:56:27 +0100
Subject: [PATCH] add completions generation example (#169)

---
 examples/gen_completions.rs | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 examples/gen_completions.rs

diff --git a/examples/gen_completions.rs b/examples/gen_completions.rs
new file mode 100644
index 00000000..26b30cb2
--- /dev/null
+++ b/examples/gen_completions.rs
@@ -0,0 +1,29 @@
+// Copyright 2019-present structopt developers
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#[macro_use]
+extern crate structopt;
+
+use structopt::clap::Shell;
+use structopt::StructOpt;
+
+#[derive(StructOpt, Debug)]
+#[structopt(name = "example", about = "An example of StructOpt usage.")]
+struct Opt {
+    /// A flag, true if used in the command line.
+    #[structopt(short = "d", long = "debug", help = "Activate debug mode")]
+    debug: bool,
+}
+
+fn main() {
+    // generate `bash` completions in "target" directory
+    Opt::clap().gen_completions(env!("CARGO_PKG_NAME"), Shell::Bash, "target");
+
+    let opt = Opt::from_args();
+    println!("{:?}", opt);
+}