Merge pull request #1139 from rust-lang/default-2024

Make edition 2024 the default

Author: shepmaster

compiler/base/orchestrator/src/coordinator.rs

@@ -3074,11 +3074,7 @@ mod tests {
                 r#"fn x() { u16::try_from(1u8); }"#,
                 [false, false, true, true],
             ),
-            (
-                r#"#![feature(gen_blocks)]
-                   fn x() { gen { yield 1u8 }; }"#,
-                [false, false, false, true],
-            ),
+            (r#"fn x() { let gen = true; }"#, [true, true, true, false]),
         ];
 
         let tests = params.into_iter().flat_map(|(code, works_in)| {
@@ -3090,7 +3086,6 @@ mod tests {
                         code: code.into(),
                         edition,
                         crate_type: CrateType::Library(LibraryType::Lib),
-                        channel: Channel::Nightly, // To allow 2024 while it is unstable
                         ..ARBITRARY_EXECUTE_REQUEST
                     };
                     let response = coordinator.execute(request).await.unwrap();
@@ -3524,7 +3519,6 @@ mod tests {
             let req = CompileRequest {
                 edition,
                 code: SUBTRACT_CODE.into(),
-                channel: Channel::Nightly, // To allow 2024 while it is unstable
                 ..ARBITRARY_HIR_REQUEST
             };
 
@@ -3855,7 +3849,6 @@ mod tests {
                 let req = FormatRequest {
                     edition,
                     code: code.into(),
-                    channel: Channel::Nightly, // To allow 2024 while it is unstable
                     ..ARBITRARY_FORMAT_REQUEST
                 };
 
@@ -4265,14 +4258,10 @@ mod tests {
     });
 
     trait TimeoutExt: Future + Sized {
-        #[allow(clippy::type_complexity)]
-        fn with_timeout(
-            self,
-        ) -> futures::future::Map<
-            tokio::time::Timeout<Self>,
-            fn(Result<Self::Output, tokio::time::error::Elapsed>) -> Self::Output,
-        > {
-            tokio::time::timeout(*TIMEOUT, self).map(|v| v.expect("The operation timed out"))
+        async fn with_timeout(self) -> Self::Output {
+            tokio::time::timeout(*TIMEOUT, self)
+                .await
+                .expect("The operation timed out")
         }
     }
 

tests/spec/features/compilation_targets_spec.rb

@@ -119,7 +119,7 @@
 
   scenario "compiling a library to WebAssembly" do
     editor.set <<~EOF
-      #[no_mangle]
+      #[unsafe(no_mangle)]
       pub fn calculator(a: u8) -> u8 { a + 42 }
     EOF
 

tests/spec/features/editions_spec.rb

@@ -39,22 +39,16 @@
 
   scenario "using the 2024 edition" do
     editor.set <<-EOF
-      #![feature(gen_blocks)]
-
       fn main() {
-          let mut x = gen { yield 1 };
-
-          eprintln!("{:?}", x.next());
-          eprintln!("{:?}", x.next());
+          let gen = 1;
       }
     EOF
 
     in_advanced_options_menu { select '2024' }
     click_on("Run")
 
     within(:output, :stderr) do
-      expect(page).to have_content 'Some(1)'
-      expect(page).to have_content 'None'
+      expect(page).to have_content 'found reserved keyword `gen`'
     end
   end
 

tests/spec/features/url_parameters_spec.rb

@@ -104,7 +104,7 @@
 
   scenario "loading without code or an edition" do
     visit '/'
-    expect(page).to have_edition('2021')
+    expect(page).to have_edition('2024')
   end
 
   def editor

ui/frontend/AdvancedOptionsMenu.tsx

@@ -4,7 +4,7 @@ import * as config from './reducers/configuration';
 import { Either as EitherConfig, Select as SelectConfig } from './ConfigElement';
 import MenuGroup from './MenuGroup';
 import * as selectors from './selectors';
-import { Backtrace, Channel, Edition } from './types';
+import { Backtrace, Edition } from './types';
 import { useAppDispatch, useAppSelector } from './hooks';
 
 const AdvancedOptionsMenu: React.FC = () => {
@@ -18,9 +18,6 @@ const AdvancedOptionsMenu: React.FC = () => {
   const changeEdition = useCallback((e: Edition) => dispatch(config.changeEdition(e)), [dispatch]);
   const changeBacktrace = useCallback((b: Backtrace) => dispatch(config.changeBacktrace(b)), [dispatch]);
 
-  const channel  = useAppSelector((state) => state.configuration.channel);
-  const switchText = (channel !== Channel.Nightly) ? ' (will select nightly Rust)' : '';
-
   return (
     <MenuGroup title="Advanced options">
       <SelectConfig
@@ -32,7 +29,7 @@ const AdvancedOptionsMenu: React.FC = () => {
         <option value={Edition.Rust2015}>2015</option>
         <option value={Edition.Rust2018}>2018</option>
         <option value={Edition.Rust2021}>2021</option>
-        <option value={Edition.Rust2024}>2024{switchText}</option>
+        <option value={Edition.Rust2024}>2024</option>
       </SelectConfig>
 
       <EitherConfig

ui/frontend/Notifications.tsx

@@ -3,37 +3,36 @@ import { Portal } from 'react-portal';
 
 import { Close } from './Icon';
 import { useAppDispatch, useAppSelector } from './hooks';
-import { seenRustSurvey2024 } from './reducers/notifications';
+import { seenRust2024IsDefault } from './reducers/notifications';
 import { allowLongRun, wsExecuteKillCurrent } from './reducers/output/execute';
 import * as selectors from './selectors';
 
 import * as styles from './Notifications.module.css';
 
-const SURVEY_URL = 'https://blog.rust-lang.org/2024/12/05/annual-survey-2024-launch.html';
+const EDITION_URL = 'https://doc.rust-lang.org/edition-guide/';
 
 const Notifications: React.FC = () => {
   return (
     <Portal>
       <div className={styles.container}>
-        <RustSurvey2024Notification />
+        <Rust2024IsDefaultNotification />
         <ExcessiveExecutionNotification />
       </div>
     </Portal>
   );
 };
 
-const RustSurvey2024Notification: React.FC = () => {
-  const showIt = useAppSelector(selectors.showRustSurvey2024Selector);
+const Rust2024IsDefaultNotification: React.FC = () => {
+  const showIt = useAppSelector(selectors.showRust2024IsDefaultSelector);
 
   const dispatch = useAppDispatch();
-  const seenIt = useCallback(() => dispatch(seenRustSurvey2024()), [dispatch]);
+  const seenIt = useCallback(() => dispatch(seenRust2024IsDefault()), [dispatch]);
 
   return showIt ? (
     <Notification onClose={seenIt}>
-      Please help us take a look at who the Rust community is composed of, how the Rust project is
-      doing, and how we can improve the Rust programming experience by completing the{' '}
-      <a href={SURVEY_URL}>2024 State of Rust Survey</a>. Whether or not you use Rust today, we want
-      to know your opinions.
+      As of Rust 1.85, the default edition of Rust is now Rust 2024. Learn more about editions in
+      the <a href={EDITION_URL}>Edition Guide</a>. To specify which edition to use, use the advanced
+      compilation options menu.
     </Notification>
   ) : null;
 };

ui/frontend/actions.ts

@@ -5,7 +5,7 @@ import { addCrateType, editCode } from './reducers/code';
 import {
   changeBacktrace,
   changeChannel,
-  changeEditionRaw,
+  changeEdition,
   changeMode,
   changePrimaryAction,
 } from './reducers/configuration';
@@ -153,7 +153,7 @@ export function indexPageLoad({
       }
     }
 
-    const edition = maybeEdition || Edition.Rust2021;
+    const edition = maybeEdition || Edition.Rust2024;
 
     if (code) {
       dispatch(editCode(code));
@@ -163,7 +163,7 @@ export function indexPageLoad({
 
     dispatch(changeChannel(channel));
     dispatch(changeMode(mode));
-    dispatch(changeEditionRaw(edition));
+    dispatch(changeEdition(edition));
   };
 }
 

ui/frontend/reducers/configuration.ts

@@ -1,6 +1,5 @@
 import { PayloadAction, createSlice } from '@reduxjs/toolkit';
 
-import { ThunkAction } from '../actions';
 import {
   AssemblyFlavor,
   Backtrace,
@@ -57,7 +56,7 @@ const initialState: State = {
   primaryAction: PrimaryActionAuto.Auto,
   channel: Channel.Stable,
   mode: Mode.Debug,
-  edition: Edition.Rust2021,
+  edition: Edition.Rust2024,
   backtrace: Backtrace.Disabled,
 };
 
@@ -85,7 +84,7 @@ const slice = createSlice({
       state.demangleAssembly = action.payload;
     },
 
-    changeEditionRaw: (state, action: PayloadAction<Edition>) => {
+    changeEdition: (state, action: PayloadAction<Edition>) => {
       state.edition = action.payload;
     },
 
@@ -149,7 +148,7 @@ export const {
   changeBacktrace,
   changeChannel,
   changeDemangleAssembly,
-  changeEditionRaw,
+  changeEdition,
   changeEditor,
   changeKeybinding,
   changeMode,
@@ -162,14 +161,4 @@ export const {
   swapTheme,
 } = slice.actions;
 
-export const changeEdition =
-  (edition: Edition): ThunkAction =>
-  (dispatch) => {
-    if (edition === Edition.Rust2024) {
-      dispatch(changeChannel(Channel.Nightly));
-    }
-
-    dispatch(changeEditionRaw(edition));
-  };
-
 export default slice.reducer;

ui/frontend/reducers/notifications.ts

@@ -12,7 +12,8 @@ interface State {
   seenRustSurvey2022: boolean; // expired
   seenRustSurvey2023: boolean; // expired
   seenDarkMode: boolean; // expired
-  seenRustSurvey2024: boolean;
+  seenRustSurvey2024: boolean; // expired
+  seenRust2024IsDefault: boolean;
 }
 
 const initialState: State = {
@@ -25,7 +26,8 @@ const initialState: State = {
   seenRustSurvey2022: true,
   seenRustSurvey2023: true,
   seenDarkMode: true,
-  seenRustSurvey2024: false,
+  seenRustSurvey2024: true,
+  seenRust2024IsDefault: false,
 };
 
 const slice = createSlice({
@@ -34,8 +36,8 @@ const slice = createSlice({
   reducers: {
     notificationSeen: (state, action: PayloadAction<Notification>) => {
       switch (action.payload) {
-        case Notification.RustSurvey2024: {
-          state.seenRustSurvey2024 = true;
+        case Notification.Rust2024IsDefault: {
+          state.seenRust2024IsDefault = true;
           break;
         }
       }
@@ -45,6 +47,6 @@ const slice = createSlice({
 
 const { notificationSeen } = slice.actions;
 
-export const seenRustSurvey2024 = () => notificationSeen(Notification.RustSurvey2024);
+export const seenRust2024IsDefault = () => notificationSeen(Notification.Rust2024IsDefault);
 
 export default slice.reducer;

ui/frontend/selectors/index.ts

@@ -172,7 +172,7 @@ export const getChannelLabel = createSelector(channelSelector, (channel) => `${c
 
 export const isEditionDefault = createSelector(
   editionSelector,
-  edition => edition == Edition.Rust2021,
+  edition => edition == Edition.Rust2024,
 );
 
 export const getBacktraceSet = (state: State) => (
@@ -360,15 +360,15 @@ const notificationsSelector = (state: State) => state.notifications;
 
 const NOW = new Date();
 
-const RUST_SURVEY_2024_END = new Date('2024-12-23T00:00:00Z');
-const RUST_SURVEY_2024_OPEN = NOW <= RUST_SURVEY_2024_END;
-export const showRustSurvey2024Selector = createSelector(
+const RUST_2024_IS_DEFAULT_END = new Date('2025-04-03T00:00:00Z');
+const RUST_2024_IS_DEFAULT_OPEN = NOW <= RUST_2024_IS_DEFAULT_END;
+export const showRust2024IsDefaultSelector = createSelector(
   notificationsSelector,
-  notifications => RUST_SURVEY_2024_OPEN && !notifications.seenRustSurvey2024,
+  notifications => RUST_2024_IS_DEFAULT_OPEN && !notifications.seenRust2024IsDefault,
 );
 
 export const anyNotificationsToShowSelector = createSelector(
-  showRustSurvey2024Selector,
+  showRust2024IsDefaultSelector,
   excessiveExecutionSelector,
   (...allNotifications) => allNotifications.some(n => n),
 );

ui/frontend/types.ts

@@ -165,5 +165,5 @@ export enum Focus {
 }
 
 export enum Notification {
-  RustSurvey2024 = 'rust-survey-2024',
+  Rust2024IsDefault = 'rust-2024-is-default',
 }