clippy fixes

Cargo.lock

@@ -1570,7 +1570,7 @@ dependencies = [
 [[package]]
 name = "serenity"
 version = "0.12.5"
-source = "git+https://github.com/serenity-rs/serenity.git?rev=refs%2Fheads%2Fnext#37b9f433ada8b9ccc5f93f04826403b175855f86"
+source = "git+https://github.com/serenity-rs/serenity.git?branch=next#37b9f433ada8b9ccc5f93f04826403b175855f86"
 dependencies = [
  "aformat",
  "arrayvec",

Cargo.toml

@@ -5,7 +5,7 @@ edition = "2024"
 
 [dependencies]
 dotenv = "0.15.0"
-serenity = { git = "https://github.com/serenity-rs/serenity.git", rev = "refs/heads/next" , features = ["collector"] }
+serenity = { version = "0.12.5" }
 tokio = { version = "1.53.1", features = ["rt-multi-thread"] }
 tracing = "0.1.44"
 tracing-subscriber = "0.3.23"
@@ -15,3 +15,6 @@ thiserror = "2.0.20"
 nom-language = "0.1.0"
 rand_xoshiro = "0.8.1"
 rand = "0.10.2"
+
+[patch.crates-io]
+serenity = { git = "https://github.com/serenity-rs/serenity.git", branch = "next" }

src/dice.rs

@@ -127,7 +127,7 @@ impl Expression {
                         if i > MAX_DICE_COUNT_PER_ROLL {
                             bail!("Explosion added too many dice.")
                         }
-                        if comparers.len() == 0 {
+                        if comparers.is_empty() {
                             // Explode on max size dice
                             if rolls[i] == size {
                                 rolls.push(rng.random_range(1..=size));
@@ -185,26 +185,26 @@ impl Expression {
                     let mut skip = false;
                     let roll = rolls[idx];
                     let rank = ranks[idx];
-                    if let Some(kh) = kh {
-                        if rolls.len() - 1 - rank >= kh {
+                    if let Some(kh) = kh
+                        && rolls.len() - 1 - rank >= kh
+                    {
                         skip = true;
                     }
-                    }
-                    if let Some(dh) = dh {
-                        if rolls.len() - 1 - rank < dh {
+                    if let Some(dh) = dh
+                        && rolls.len() - 1 - rank < dh
+                    {
                         skip = true;
                     }
-                    }
-                    if let Some(kl) = kl {
-                        if rank >= kl {
+                    if let Some(kl) = kl
+                        && rank >= kl
+                    {
                         skip = true;
                     }
-                    }
-                    if let Some(dl) = dl {
-                        if rank < dl {
+                    if let Some(dl) = dl
+                        && rank < dl
+                    {
                         skip = true;
                     }
-                    }
                     if !skip {
                         result_set.push(roll as f64);
                     }
@@ -298,19 +298,19 @@ impl Expression {
                     bail!("Invalid die size.")
                 }
 
-                if let Some(_) = x {
+                if x.is_some() {
                     bail!("Not implemented yet");
                 }
-                if let Some(_) = kh {
+                if kh.is_some() {
                     bail!("Not implemented yet");
                 };
-                if let Some(_) = kl {
+                if kl.is_some() {
                     bail!("Not implemented yet");
                 };
-                if let Some(_) = dh {
+                if dh.is_some() {
                     bail!("Not implemented yet");
                 };
-                if let Some(_) = dl {
+                if dl.is_some() {
                     bail!("Not implemented yet");
                 };
 
@@ -477,7 +477,7 @@ impl DiscordMdWitness {
             parent.buffers[self.buffer_idx] = self
                 .result
                 .map(|result| format!("**{result} = …**"))
-                .unwrap_or_else(|| String::new());
+                .unwrap_or_default();
         } else if let Some(result) = self.result {
             parent.buffers[self.buffer_idx].insert_str(0, &format!("**{result}** = "));
         }

src/main.rs

@@ -172,7 +172,7 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
             .map(|s| s.parse::<u64>().context("Seed could not be parsed. Make sure it is a 64 bit integer between 0 and 2^64-1."))
             .transpose()?;
 
-        let expression = parsing::parse(&formula).context("Dice formula could not be parsed.")?;
+        let expression = parsing::parse(formula).context("Dice formula could not be parsed.")?;
 
         let seed = fixed_seed.unwrap_or_else(|| rand::rng().next_u64());
         let mut rng = rand_xoshiro::Xoshiro256PlusPlus::seed_from_u64(seed);
@@ -255,8 +255,9 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
         Ok(())
     }
 
-    if let Ok(_) = inner(ctx, command).await {
-    } else if let Err(err) = inner(ctx, command).await {
+    match inner(ctx, command).await {
+        Ok(_) => {}
+        Err(err) => {
             warn!("Error encountered: {err:?}");
             command
                 .create_response(
@@ -276,6 +277,7 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
                     ),
                 )
                 .await?
+        }
     };
     Ok(())
 }

src/parsing.rs

@@ -80,7 +80,7 @@ fn expr<'c, 'i>(
         )
             .map(|(count, size, (kh, kl, dh, dl, x))| {
                 Dice(DiceFormula {
-                    count: count.map(|n| Box::new(n)),
+                    count: count.map(Box::new),
                     size: Box::new(size),
                     kh: kh.map(|n| Box::new(n.unwrap_or(Const(1f64)))),
                     kl: kl.map(|n| Box::new(n.unwrap_or(Const(1f64)))),