Add structopt dependency in version 0.3.7

This patch series replaces argparse with structopt in the argument
handling code. As a first step, we need structopt as a dependency.

Import subrepo structopt/:structopt at efbdda4753592e27bc430fb01f7b9650b2f3174d
Import subrepo bitflags/:bitflags at 30668016aca6bd3b02c766e8347e0b4080d4c296
Import subrepo clap/:clap at 784524f7eb193e35f81082cc69454c8c21b948f7
Import subrepo heck/:heck at 093d56fbf001e1506e56dbfa38631d99b1066df1
Import subrepo proc-macro-error/:proc-macro-error at 6c4cfe79a622c5de8ae68557993542be46eacae2
Import subrepo proc-macro2/:proc-macro2 at d5d48eddca4566e5438e8a2cbed4a74e049544de
Import subrepo quote/:quote at 727436c6c137b20f0f34dde5d8fda2679b9747ad
Import subrepo rustversion/:rustversion at 0c5663313516263059ce9059ef81fc7a1cf655ca
Import subrepo syn-mid/:syn-mid at 5d3d85414a9e6674e1857ec22a87b96e04a6851a
Import subrepo syn/:syn at e87c27e87f6f4ef8919d0372bdb056d53ef0d8f3
Import subrepo textwrap/:textwrap at abcd618beae3f74841032aa5b53c1086b0a57ca2
Import subrepo unicode-segmentation/:unicode-segmentation at 637c9874c4fe0c205ff27787faf150a40295c6c3
Import subrepo unicode-width/:unicode-width at 3033826f8bf05e82724140a981d5941e48fce393
Import subrepo unicode-xid/:unicode-xid at 4baae9fffb156ba229665b972a9cd5991787ceb7

1 files changed, 114 insertions, 0 deletions

diff --git a/clap/benches/02_simple.rs b/clap/benches/02_simple.rs
new file mode 100644
index 0000000..010fa86
--- /dev/null
+++ b/clap/benches/02_simple.rs
@@ -0,0 +1,114 @@
+#![feature(test)]
+
+extern crate clap;
+extern crate test;
+
+use clap::{App, Arg};
+
+use test::Bencher;
+
+macro_rules! create_app {
+    () => ({
+        App::new("claptests")
+                .version("0.1")
+                .about("tests clap library")
+                .author("Kevin K. <kbknapp@gmail.com>")
+                .args_from_usage("-f --flag         'tests flags'
+                                  -o --option=[opt] 'tests options'
+                                  [positional]      'tests positional'")
+    })
+}
+
+#[bench]
+fn build_app(b: &mut Bencher) {
+
+    b.iter(|| create_app!());
+}
+
+#[bench]
+fn add_flag(b: &mut Bencher) {
+    fn build_app() -> App<'static, 'static> {
+        App::new("claptests")
+    }
+
+    b.iter(|| build_app().arg(Arg::from_usage("-s, --some 'something'")));
+}
+
+#[bench]
+fn add_flag_ref(b: &mut Bencher) {
+    fn build_app() -> App<'static, 'static> {
+        App::new("claptests")
+    }
+
+    b.iter(|| {
+        let arg = Arg::from_usage("-s, --some 'something'");
+        build_app().arg(&arg)
+    });
+}
+
+#[bench]
+fn add_opt(b: &mut Bencher) {
+    fn build_app() -> App<'static, 'static> {
+        App::new("claptests")
+    }
+
+    b.iter(|| build_app().arg(Arg::from_usage("-s, --some <FILE> 'something'")));
+}
+
+#[bench]
+fn add_opt_ref(b: &mut Bencher) {
+    fn build_app() -> App<'static, 'static> {
+        App::new("claptests")
+    }
+
+    b.iter(|| {
+        let arg = Arg::from_usage("-s, --some <FILE> 'something'");
+        build_app().arg(&arg)
+    });
+}
+
+#[bench]
+fn add_pos(b: &mut Bencher) {
+    fn build_app() -> App<'static, 'static> {
+        App::new("claptests")
+    }
+
+    b.iter(|| build_app().arg(Arg::with_name("some")));
+}
+
+#[bench]
+fn add_pos_ref(b: &mut Bencher) {
+    fn build_app() -> App<'static, 'static> {
+        App::new("claptests")
+    }
+
+    b.iter(|| {
+        let arg = Arg::with_name("some");
+        build_app().arg(&arg)
+    });
+}
+
+#[bench]
+fn parse_clean(b: &mut Bencher) {
+    b.iter(|| create_app!().get_matches_from(vec![""]));
+}
+
+#[bench]
+fn parse_flag(b: &mut Bencher) {
+    b.iter(|| create_app!().get_matches_from(vec!["myprog", "-f"]));
+}
+
+#[bench]
+fn parse_option(b: &mut Bencher) {
+    b.iter(|| create_app!().get_matches_from(vec!["myprog", "-o", "option1"]));
+}
+
+#[bench]
+fn parse_positional(b: &mut Bencher) {
+    b.iter(|| create_app!().get_matches_from(vec!["myprog", "arg1"]));
+}
+
+#[bench]
+fn parse_complex(b: &mut Bencher) {
+    b.iter(|| create_app!().get_matches_from(vec!["myprog", "-o", "option1", "-f", "arg1"]));
+}