update toolchain to nightly-2023-04-20

client/src/bin/bot/main.rs

@@ -117,7 +117,6 @@ impl BotClient {
     pub fn handle_register(&mut self, prefix: &str, password: &str, count: Option<usize>) {
         let usernames = match count {
             Some(n) => (0..n)
-                .into_iter()
                 .map(|i| format!("{}{:03}", prefix, i))
                 .collect::<Vec<String>>(),
             None => vec![prefix.to_string()],

common/src/comp/agent.rs

@@ -503,7 +503,7 @@ impl Timer {
     /// Reset the timer for the given action, returning true if the timer was
     /// not already reset.
     pub fn reset(&mut self, action: TimerAction) -> bool {
-        std::mem::replace(&mut self.action_starts[Self::idx_for(action)], None).is_some()
+        self.action_starts[Self::idx_for(action)].take().is_some()
     }
 
     /// Start the timer for the given action, even if it was already started.

common/src/comp/inventory/item/mod.rs

@@ -330,7 +330,7 @@ impl ItemKind {
     // Used for inventory sorting, what comes before the first colon (:) is used as
     // a broader category
     pub fn get_itemkind_string(&self) -> String {
-        let result = match self {
+        match self {
             // Using tool and toolkind to sort tools by kind
             ItemKind::Tool(tool) => format!("Tool: {:?}", tool.kind),
             ItemKind::ModularComponent(modular_component) => {
@@ -346,8 +346,7 @@ impl ItemKind {
             ItemKind::Utility { kind } => format!("Utility: {:?}", kind),
             ItemKind::Ingredient { descriptor } => format!("Ingredient: {}", descriptor),
             ItemKind::TagExamples { item_ids } => format!("TagExamples: {:?}", item_ids),
-        };
-        result
+        }
     }
 
     pub fn has_durability(&self) -> bool {

common/src/comp/skillset/mod.rs

@@ -81,7 +81,6 @@ lazy_static! {
                     .map(|skill| {
                         let max_level = skill.max_level();
                         (1..=max_level)
-                            .into_iter()
                             .map(|level| skill.skill_cost(level))
                             .sum::<u16>()
                     })

common/src/skillset_builder.rs

@@ -112,8 +112,7 @@ impl SkillSetBuilder {
     pub fn with_skill(mut self, skill: Skill, level: u16) -> Self {
         let Some(group) = skill.skill_group_kind() else {
             let err = format!(
-                "Tried to add skill: {:?} which does not have an associated skill group.",
-                skill
+                "Tried to add skill: {skill:?} which does not have an associated skill group."
             );
             common_base::dev_panic!(err, or return self);
         };
@@ -121,8 +120,7 @@ impl SkillSetBuilder {
         let SkillSetBuilder(ref mut skill_set) = self;
         if skill_is_applied(skill_set, skill, level) {
             let err = format!(
-                "Tried to add skill: {:?} with level {:?} which is already applied",
-                skill, level,
+                "Tried to add skill: {skill:?} with level {level:?} which is already applied"
             );
             common_base::dev_panic!(err, or return self);
         }
@@ -135,9 +133,8 @@ impl SkillSetBuilder {
         }
         if !skill_is_applied(skill_set, skill, level) {
             let err = format!(
-                "Failed to add skill: {:?}. Verify that it has the appropriate skill group \
-                 available and meets all prerequisite skills.",
-                skill
+                "Failed to add skill: {skill:?}. Verify that it has the appropriate skill group \
+                 available and meets all prerequisite skills."
             );
             common_base::dev_panic!(err);
         }

common/src/terrain/biome.rs

@@ -1,8 +1,9 @@
 use serde::{Deserialize, Serialize};
 use strum::EnumIter;
 
-#[derive(Debug, Copy, Clone, Serialize, Deserialize, PartialEq, Eq, Hash, EnumIter)]
+#[derive(Default, Debug, Copy, Clone, Serialize, Deserialize, PartialEq, Eq, Hash, EnumIter)]
 pub enum BiomeKind {
+    #[default]
     Void,
     Lake,
     Grassland,
@@ -16,7 +17,3 @@ pub enum BiomeKind {
     Savannah,
     Taiga,
 }
-
-impl Default for BiomeKind {
-    fn default() -> BiomeKind { BiomeKind::Void }
-}

common/src/terrain/site.rs

@@ -1,11 +1,12 @@
 use serde::{Deserialize, Serialize};
 
-#[derive(Debug, Copy, Clone, Serialize, Deserialize, PartialEq, Eq)]
+#[derive(Default, Debug, Copy, Clone, Serialize, Deserialize, PartialEq, Eq)]
 pub enum SiteKindMeta {
     Dungeon(DungeonKindMeta),
     Cave,
     Settlement(SettlementKindMeta),
     Castle,
+    #[default]
     Void,
 }
 
@@ -22,7 +23,3 @@ pub enum SettlementKindMeta {
     DesertCity,
     SavannahPit,
 }
-
-impl Default for SiteKindMeta {
-    fn default() -> SiteKindMeta { SiteKindMeta::Void }
-}

common/src/typed.rs

@@ -321,7 +321,7 @@ macro_rules! make_case_elim {
                 elim.reduce(((self,), context))
             }
 
-            pub fn elim_case_pure<'a, 'b, Type>(&'a self, cases: &'b $mod::PureCases<Type>) -> &'b Type
+            pub fn elim_case_pure<'a, Type>(&self, cases: &'a $mod::PureCases<Type>) -> &'a Type
             {
                 let (expr, ()) = self.elim(cases, ());
                 expr
@@ -425,7 +425,7 @@ macro_rules! make_proj_elim {
                 elim.reduce(((self,), context))
             }
 
-            pub fn elim_proj_pure<'a, 'b, Type>(&'a self, cases: &'b $mod::PureProj<Type>) -> &'b Type
+            pub fn elim_proj_pure<'a, Type>(&self, cases: &'a $mod::PureProj<Type>) -> &'a Type
             {
                 let (expr, ()) = self.elim(cases, ());
                 expr

rust-toolchain

@@ -1 +1 @@
-nightly-2022-11-28
+nightly-2023-04-20

server/src/events/inventory_manip.rs

@@ -786,7 +786,6 @@ pub fn handle_inventory(server: &mut Server, entity: EcsEntity, manip: comp::Inv
                     })
                     .and_then(|r| {
                         let items = (0..amount)
-                            .into_iter()
                             .filter_map(|_| {
                                 r.craft_simple(
                                     &mut inventory,

server/src/sys/chunk_serialize.rs

@@ -110,7 +110,6 @@ impl<'a> System<'a> for Sys {
                     .get_key_arc_real(chunk_key)
                     .map(|chunk| (Arc::clone(chunk), chunk_key, meta))
             })
-            .into_iter()
             .peekable();
 
         while chunks_iter.peek().is_some() {

voxygen/src/lib.rs

@@ -6,7 +6,6 @@
     array_methods,
     array_zip,
     drain_filter,
-    once_cell,
     trait_alias,
     option_get_or_insert_default,
     map_try_insert,

voxygen/src/render/mod.rs

@@ -70,12 +70,13 @@ pub trait Vertex: Clone + bytemuck::Pod {
 
 use serde::{Deserialize, Serialize};
 /// Anti-aliasing modes
-#[derive(PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)]
+#[derive(Default, PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)]
 pub enum AaMode {
     /// Fast approximate antialiasing.
     ///
     /// This is a screen-space technique, and therefore works fine with greedy
     /// meshing.
+    #[default]
     Fxaa,
     /// Multisampling AA, up to 4 samples per pixel.
     ///
@@ -121,12 +122,8 @@ impl AaMode {
     }
 }
 
-impl Default for AaMode {
-    fn default() -> Self { AaMode::Fxaa }
-}
-
 /// Cloud modes
-#[derive(PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)]
+#[derive(Default, PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)]
 pub enum CloudMode {
     /// No clouds. As cheap as it gets.
     None,
@@ -144,6 +141,7 @@ pub enum CloudMode {
     Ultra,
     /// Lots of detail with good-but-costly derivation of parameters.
     #[serde(other)]
+    #[default]
     High,
 }
 
@@ -151,12 +149,8 @@ impl CloudMode {
     pub fn is_enabled(&self) -> bool { *self != CloudMode::None }
 }
 
-impl Default for CloudMode {
-    fn default() -> Self { CloudMode::High }
-}
-
 /// Fluid modes
-#[derive(PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)]
+#[derive(Default, PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)]
 pub enum FluidMode {
     /// "Low" water.  This water implements no waves, no reflections, no
     /// diffraction, and no light attenuation through water.  As a result,
@@ -180,32 +174,26 @@ pub enum FluidMode {
     /// which causes attenuation to be computed incorrectly; this can be
     /// addressed by using shadow maps (at least for terrain).
     #[serde(other)]
+    #[default]
     Medium,
 }
 
-impl Default for FluidMode {
-    fn default() -> Self { FluidMode::Medium }
-}
-
 /// Reflection modes
-#[derive(PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)]
+#[derive(Default, PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)]
 pub enum ReflectionMode {
     /// No or minimal reflections.
     Low,
     /// High quality reflections with screen-space raycasting and
     /// all the bells & whistles.
+    #[default]
     High,
     // Medium quality screen-space reflections.
     #[serde(other)]
     Medium,
 }
 
-impl Default for ReflectionMode {
-    fn default() -> Self { ReflectionMode::High }
-}
-
 /// Lighting modes
-#[derive(PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)]
+#[derive(Default, PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)]
 pub enum LightingMode {
     /// Ashikhmin-Shirley BRDF lighting model.  Attempts to generate a
     /// physically plausible (to some extent) lighting distribution.
@@ -222,13 +210,10 @@ pub enum LightingMode {
     /// Standard Blinn-Phong shading, combing Lambertian diffuse reflections and
     /// specular highlights.
     #[serde(other)]
+    #[default]
     BlinnPhong,
 }
 
-impl Default for LightingMode {
-    fn default() -> Self { LightingMode::BlinnPhong }
-}
-
 /// Shadow map settings.
 #[derive(PartialEq, Clone, Copy, Debug, Serialize, Deserialize)]
 pub struct ShadowMapMode {
@@ -314,7 +299,7 @@ impl From<PresentMode> for wgpu::PresentMode {
 
 /// Bloom factor
 /// Controls fraction of output image luminosity that is blurred bloom
-#[derive(PartialEq, Clone, Copy, Debug, Serialize, Deserialize)]
+#[derive(Default, PartialEq, Clone, Copy, Debug, Serialize, Deserialize)]
 pub enum BloomFactor {
     Low,
     High,
@@ -322,13 +307,10 @@ pub enum BloomFactor {
     Custom(f32),
     // other variant has to be placed last
     #[serde(other)]
+    #[default]
     Medium,
 }
 
-impl Default for BloomFactor {
-    fn default() -> Self { Self::Medium }
-}
-
 impl BloomFactor {
     /// Fraction of output image luminosity that is blurred bloom
     pub fn fraction(self) -> f32 {

voxygen/src/window.rs

@@ -1359,16 +1359,14 @@ impl Window {
     pub fn scale_factor(&self) -> f64 { self.scale_factor }
 }
 
-#[derive(Copy, Clone, Hash, Eq, PartialEq, Debug, Serialize, Deserialize)]
+#[derive(Default, Copy, Clone, Hash, Eq, PartialEq, Debug, Serialize, Deserialize)]
 pub enum FullscreenMode {
     Exclusive,
     #[serde(other)]
+    #[default]
     Borderless,
 }
 
-impl Default for FullscreenMode {
-    fn default() -> Self { FullscreenMode::Borderless }
-}
 #[derive(PartialEq, Eq, Clone, Copy, Debug, Serialize, Deserialize)]
 #[serde(default)]
 pub struct FullScreenSettings {

world/examples/chunk_compression_benchmarks.rs

@@ -1190,10 +1190,7 @@ fn main() {
                 if !SKIP_VOLGRID {
                     let _ = volgrid.insert(spiralpos, Arc::new(chunk));
 
-                    if (1usize..20)
-                        .into_iter()
-                        .any(|i| (2 * i + 1) * (2 * i + 1) == count)
-                    {
+                    if (1usize..20).any(|i| (2 * i + 1) * (2 * i + 1) == count) {
                         use std::fs::File;
                         let mut f = File::create(&format!("chonkjpegs/{}_{}.jpg", sitename, count))
                             .unwrap();

world/examples/world_block_statistics.rs

@@ -85,12 +85,9 @@ fn generate(db_path: &str, ymin: Option<i32>, ymax: Option<i32>) -> Result<(), B
     let (tx, rx) = mpsc::channel();
     rayon::spawn(move || {
         let coords: Vec<_> = (ymin.unwrap_or(1)..ymax.unwrap_or(sz.y as i32))
-            .into_iter()
             .flat_map(move |y| {
                 let tx = tx.clone();
-                (1..sz.x as i32)
-                    .into_iter()
-                    .map(move |x| (tx.clone(), x, y))
+                (1..sz.x as i32).map(move |x| (tx.clone(), x, y))
             })
             .collect();
         coords.into_par_iter().for_each(|(tx, x, y)| {

world/src/sim/util.rs

@@ -218,7 +218,6 @@ pub fn local_cells(map_size_lg: MapSizeLg, posi: usize) -> impl Clone + Iterator
     let grid_size = 3i32;
     let grid_bounds = 2 * grid_size + 1;
     (0..grid_bounds * grid_bounds)
-        .into_iter()
         .map(move |index| {
             Vec2::new(
                 pos.x + (index % grid_bounds) - grid_size,

world/src/site2/plot/dungeon.rs

@@ -948,7 +948,7 @@ pub fn inscribed_polystar(
         use std::f32::consts::TAU;
         let rpos: Vec2<f32> = pos.xy().as_() - origin.as_();
         let is_border = rpos.magnitude_squared() > (radius - 2.0).powi(2);
-        let is_line = (0..sides).into_iter().any(|i| {
+        let is_line = (0..sides).any(|i| {
             let f = |j: f32| {
                 let t = j * TAU / sides as f32;
                 radius * Vec2::new(t.cos(), t.sin())

world/src/site2/plot/gnarling.rs

@@ -112,7 +112,6 @@ impl GnarlingFortification {
 
         let num_points = (wall_radius / 15).max(5);
         let outer_wall_corners = (0..num_points)
-            .into_iter()
             .map(|a| {
                 let angle = a as f32 / num_points as f32 * core::f32::consts::TAU;
                 Vec2::new(angle.cos(), angle.sin()).map(|a| (a * wall_radius as f32) as i32)
@@ -448,7 +447,6 @@ impl Structure for GnarlingFortification {
             const SECTIONS_PER_WALL_SEGMENT: usize = 8;
 
             (0..(SECTIONS_PER_WALL_SEGMENT as i32))
-                .into_iter()
                 .map(move |a| {
                     let get_point =
                         |a| point + (next_point - point) * a / (SECTIONS_PER_WALL_SEGMENT as i32);