clippy fixes

Cargo.lock

@@ -1420,7 +1420,7 @@ dependencies = [
  "security-framework",
  "security-framework-sys",
  "webpki-root-certs",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]
 
 [[package]]
@@ -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

@@ -1,4 +1,6 @@
-use crate::limits::{MAX_DICE_COUNT_PER_ROLL, MAX_DISPLAYED_DICE_PER_MESSAGE, RESULT_CULL_CHARACTER_THRESHOLD};
+use crate::limits::{
+    MAX_DICE_COUNT_PER_ROLL, MAX_DISPLAYED_DICE_PER_MESSAGE, RESULT_CULL_CHARACTER_THRESHOLD,
+};
 use anyhow::bail;
 use rand::{Rng, RngExt};
 use std::convert::Infallible;
@@ -116,27 +118,23 @@ impl Expression {
                 // Exploding dice are early, they add rolls
                 if let Some(fragments) = x {
                     write!(w, "x")?;
-                    let mut comparers = Vec::with_capacity(fragments.len());
+                    let comparers = fragments
-                    for fragment in fragments {
+                        .iter()
-                        comparers.push(fragment.comparer(rng, w)?);
+                        .map(|fragment| fragment.comparer(rng, w))
-                    }
+                        .collect::<Result<Vec<_>, _>>()?;
                     let mut i = 0;
                     while i < rolls.len() {
                         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));
                             }
                         } else {
-                            // Explode based on comparers provided
+                            if comparers.iter().any(|comparer| comparer(rolls[i] as f64)) {
-                            for comparer in comparers.iter() {
-                                if comparer(rolls[i] as f64) {
                                 rolls.push(rng.random_range(1..=size));
-                                    break;
-                                }
                             }
                         }
                         i += 1;
@@ -187,26 +185,26 @@ impl Expression {
                     let mut skip = false;
                     let roll = rolls[idx];
                     let rank = ranks[idx];
-                    if let Some(kh) = kh {
+                    if let Some(kh) = kh
-                        if rolls.len() - 1 - rank >= kh {
+                        && rolls.len() - 1 - rank >= kh
+                    {
                         skip = true;
                     }
-                    }
+                    if let Some(dh) = dh
-                    if let Some(dh) = dh {
+                        && rolls.len() - 1 - rank < dh
-                        if rolls.len() - 1 - rank < dh {
+                    {
                         skip = true;
                     }
-                    }
+                    if let Some(kl) = kl
-                    if let Some(kl) = kl {
+                        && rank >= kl
-                        if rank >= kl {
+                    {
                         skip = true;
                     }
-                    }
+                    if let Some(dl) = dl
-                    if let Some(dl) = dl {
+                        && rank < dl
-                        if rank < dl {
+                    {
                         skip = true;
                     }
-                    }
                     if !skip {
                         result_set.push(roll as f64);
                     }
@@ -300,19 +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");
                 };
 
@@ -454,12 +452,15 @@ pub(crate) enum DiscordMdWitnessError {
 }
 
 impl DiscordMd {
-    pub(crate) fn create_witness(md: &Arc<RwLock<Self>>) -> DiscordMdWitness {
+    pub(crate) fn create_witness(md: Arc<RwLock<Self>>) -> DiscordMdWitness {
-        let mut parent = md.write().unwrap();
+        let buffer_idx = {
-        parent.buffers.push(String::new());
+            let mut md = md.write().unwrap();
+            md.buffers.push(String::new());
+            md.buffers.len() - 1
+        };
         DiscordMdWitness {
-            parent: md.clone(),
+            parent: md,
-            buffer_idx: parent.buffers.len() - 1,
+            buffer_idx,
             result: None,
         }
     }
@@ -469,7 +470,6 @@ impl DiscordMd {
     }
 }
 
-
 impl DiscordMdWitness {
     pub(crate) fn end(self) {
         let mut parent = self.parent.write().unwrap();
@@ -477,10 +477,9 @@ 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]
+            parent.buffers[self.buffer_idx].insert_str(0, &format!("**{result}** = "));
-                .insert_str(0, &format!("**{result}** = "));
         }
     }
 }
@@ -510,7 +509,6 @@ impl Witness for DiscordMdWitness {
     }
 }
 
-
 impl<'a> WitnessSet for DiscordMdWitnessSet<'a> {
     type Ok = ();
     type Error = DiscordMdWitnessError;
@@ -519,10 +517,7 @@ impl<'a> WitnessSet for DiscordMdWitnessSet<'a> {
         let mut parent = self.witness.parent.write().unwrap();
         if parent.dice_written >= MAX_DISPLAYED_DICE_PER_MESSAGE {
             if !self.dice_elided {
-                write!(
+                write!(parent.buffers[self.witness.buffer_idx], "…")?;
-                    parent.buffers[self.witness.buffer_idx],
-                    "…"
-                )?;
                 self.dice_elided = true;
             }
             return Ok(());

src/main.rs

@@ -137,8 +137,7 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
                 }
             })
             .unwrap_or(1)
-            .min(MAX_ROLL_REPEATS as i64)
+            .clamp(1, MAX_ROLL_REPEATS as i64) as usize;
-            .max(1) as usize;
         let private = options
             .iter()
             .find(|option| option.name == "private")
@@ -170,9 +169,10 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
                     None
                 }
             })
-            .and_then(|s| s.parse::<u64>().ok());
+            .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);
@@ -193,13 +193,13 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
 
         let surrounding_par_count = pre_paragraphs.len() + post_paragraphs.len();
 
-        let paragraphs = if repeat <= 40 - surrounding_par_count {
+        let roll_paragraphs = if repeat <= 40 - surrounding_par_count {
             let discord_md = Arc::new(std::sync::RwLock::new(DiscordMd {
                 buffers: Vec::with_capacity(repeat),
                 dice_written: 0,
             }));
             for _ in 0..repeat {
-                let mut witness = DiscordMd::create_witness(&discord_md);
+                let mut witness = DiscordMd::create_witness(discord_md.clone());
                 let result = expression.evaluate(&mut rng, &mut witness, i64::MAX)?;
                 witness.witness_total_result(result)?;
                 witness.end();
@@ -208,7 +208,7 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
 
             discord_md.buffers
         } else {
-            let mut par = String::new();
+            let mut par = String::with_capacity(8 * repeat);
             for i in 0..repeat {
                 if i > 0 {
                     write!(par, ", ")?;
@@ -222,9 +222,11 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
             vec![par]
         };
 
-        pre_paragraphs.extend(paragraphs);
+        let paragraphs = {
+            pre_paragraphs.extend(roll_paragraphs);
             pre_paragraphs.extend(post_paragraphs);
-        let paragraphs = pre_paragraphs;
+            pre_paragraphs
+        };
 
         if paragraphs.iter().map(|s| s.chars().count()).sum::<usize>() > 4000
             || paragraphs.len() > 40
@@ -253,8 +255,9 @@ pub async fn roll(ctx: &Context, command: &CommandInteraction) -> anyhow::Result
         Ok(())
     }
 
-    if let Ok(_) = inner(ctx, command).await {
+    match inner(ctx, command).await {
-    } else if let Err(err) = inner(ctx, command).await {
+        Ok(_) => {}
+        Err(err) => {
             warn!("Error encountered: {err:?}");
             command
                 .create_response(
@@ -274,6 +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)))),