From 4f13f3155ca39b0fc22db4dea1de34ed25d15d98 Mon Sep 17 00:00:00 2001
From: CreepySkeleton <creepy-skeleton@yandex.ru>
Date: Fri, 21 Feb 2020 01:55:19 +0300
Subject: [PATCH] Fix warnings on nightly

---
 clap_generate/src/lib.rs | 4 +---
 src/build/app/mod.rs     | 2 +-
 src/parse/parser.rs      | 4 ++--
 src/parse/validator.rs   | 2 +-
 4 files changed, 5 insertions(+), 7 deletions(-)

diff --git a/clap_generate/src/lib.rs b/clap_generate/src/lib.rs
index dfa625bf..3f532404 100644
--- a/clap_generate/src/lib.rs
+++ b/clap_generate/src/lib.rs
@@ -127,13 +127,11 @@ where
     S: Into<String>,
     T: Into<OsString>,
 {
-    use std::error::Error;
-
     let out_dir = PathBuf::from(out_dir.into());
     let file_name = G::file_name(app.get_bin_name().unwrap());
 
     let mut file = match File::create(out_dir.join(file_name)) {
-        Err(why) => panic!("couldn't create completion file: {}", why.description()),
+        Err(why) => panic!("couldn't create completion file: {}", why),
         Ok(file) => file,
     };
 
diff --git a/src/build/app/mod.rs b/src/build/app/mod.rs
index dc835e5d..23db0613 100644
--- a/src/build/app/mod.rs
+++ b/src/build/app/mod.rs
@@ -1465,7 +1465,7 @@ impl<'b> App<'b> {
     }
 
     #[cfg(not(debug_assertions))]
-    fn _panic_on_missing_help(app: &App, help_required_globally: bool) {}
+    fn _panic_on_missing_help(_app: &App, _help_required_globally: bool) {}
 
     #[cfg(debug_assertions)]
     fn _panic_on_missing_help(app: &App, help_required_globally: bool) {
diff --git a/src/parse/parser.rs b/src/parse/parser.rs
index df786802..8c323678 100644
--- a/src/parse/parser.rs
+++ b/src/parse/parser.rs
@@ -830,11 +830,11 @@ where
         let arg_allows_tac = match needs_val_of {
             ParseResult::Opt(name) => {
                 let o = self.app.find(name).expect(INTERNAL_ERROR_MSG);
-                (o.is_set(ArgSettings::AllowHyphenValues) || app_wide_settings)
+                o.is_set(ArgSettings::AllowHyphenValues) || app_wide_settings
             }
             ParseResult::Pos(name) => {
                 let p = self.app.find(name).expect(INTERNAL_ERROR_MSG);
-                (p.is_set(ArgSettings::AllowHyphenValues) || app_wide_settings)
+                p.is_set(ArgSettings::AllowHyphenValues) || app_wide_settings
             }
             ParseResult::ValuesDone => return true,
             _ => false,
diff --git a/src/parse/validator.rs b/src/parse/validator.rs
index d0ab44ac..5fd61d78 100644
--- a/src/parse/validator.rs
+++ b/src/parse/validator.rs
@@ -427,7 +427,7 @@ impl<'b, 'c, 'z> Validator<'b, 'c, 'z> {
                     a,
                     num,
                     if a.is_set(ArgSettings::MultipleValues) {
-                        (ma.vals.len() % num as usize)
+                        ma.vals.len() % num as usize
                     } else {
                         ma.vals.len()
                     },