Fix most clippy lints, take more refeernces

Fix clippy lints and subsequently accept references for more function
parameters.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/framework/standard/command.rs b/src/framework/standard/command.rs
index be0196c..5138596 100644
--- a/src/framework/standard/command.rs
+++ b/src/framework/standard/command.rs
@@ -13,7 +13,7 @@ pub type Check = Fn(&mut Context, &Message, &mut Args, &CommandOptions) -> bool
                      + Sync
                      + 'static;
 
-pub type HelpFunction = fn(&mut Context, &Message, &HelpOptions, HashMap<String, Arc<CommandGroup>>, Args)
+pub type HelpFunction = fn(&mut Context, &Message, &HelpOptions, HashMap<String, Arc<CommandGroup>>, &Args)
                    -> Result<(), Error>;
 
 pub struct Help(pub HelpFunction, pub Arc<HelpOptions>);
@@ -25,7 +25,7 @@ impl Debug for Help {
 }
 
 impl HelpCommand for Help {
-    fn execute(&self, c: &mut Context, m: &Message, ho: &HelpOptions,hm: HashMap<String, Arc<CommandGroup>>, a: Args) -> Result<(), Error> {
+    fn execute(&self, c: &mut Context, m: &Message, ho: &HelpOptions,hm: HashMap<String, Arc<CommandGroup>>, a: &Args) -> Result<(), Error> {
         (self.0)(c, m, ho, hm, a)
     }
 }
@@ -176,7 +176,7 @@ pub struct HelpOptions {
 }
 
 pub trait HelpCommand: Send + Sync + 'static {
-    fn execute(&self, &mut Context, &Message, &HelpOptions, HashMap<String, Arc<CommandGroup>>, Args) -> Result<(), Error>;
+    fn execute(&self, &mut Context, &Message, &HelpOptions, HashMap<String, Arc<CommandGroup>>, &Args) -> Result<(), Error>;
 
     fn options(&self) -> Arc<CommandOptions> {
         Arc::clone(&DEFAULT_OPTIONS)
@@ -184,7 +184,7 @@ pub trait HelpCommand: Send + Sync + 'static {
 }
 
 impl HelpCommand for Arc<HelpCommand> {
-    fn execute(&self, c: &mut Context, m: &Message, ho: &HelpOptions, hm: HashMap<String, Arc<CommandGroup>>, a: Args) -> Result<(), Error> {
+    fn execute(&self, c: &mut Context, m: &Message, ho: &HelpOptions, hm: HashMap<String, Arc<CommandGroup>>, a: &Args) -> Result<(), Error> {
         (**self).execute(c, m, ho, hm, a)
     }
 }