fmt

Author: The Miri Cronjob Bot

tests/fail/coroutine-pinned-moved.rs

@@ -7,7 +7,8 @@ use std::{
 };
 
 fn firstn() -> impl Coroutine<Yield = u64, Return = ()> {
-    #[coroutine] static move || {
+    #[coroutine]
+    static move || {
         let mut num = 0;
         let num = &mut num;
         *num += 0;

tests/pass/coroutine.rs

@@ -43,94 +43,144 @@ fn basic() {
         panic!()
     }
 
-    finish(1, false, #[coroutine] || yield 1);
+    finish(
+        1,
+        false,
+        #[coroutine]
+        || yield 1,
+    );
 
-    finish(3, false, #[coroutine] || {
-        let mut x = 0;
-        yield 1;
-        x += 1;
-        yield 1;
-        x += 1;
-        yield 1;
-        assert_eq!(x, 2);
-    });
+    finish(
+        3,
+        false,
+        #[coroutine]
+        || {
+            let mut x = 0;
+            yield 1;
+            x += 1;
+            yield 1;
+            x += 1;
+            yield 1;
+            assert_eq!(x, 2);
+        },
+    );
 
-    finish(7 * 8 / 2, false, #[coroutine] || {
-        for i in 0..8 {
-            yield i;
-        }
-    });
+    finish(
+        7 * 8 / 2,
+        false,
+        #[coroutine]
+        || {
+            for i in 0..8 {
+                yield i;
+            }
+        },
+    );
 
-    finish(1, false, #[coroutine] || {
-        if true {
-            yield 1;
-        } else {
-        }
-    });
+    finish(
+        1,
+        false,
+        #[coroutine]
+        || {
+            if true {
+                yield 1;
+            } else {
+            }
+        },
+    );
 
-    finish(1, false, #[coroutine] || {
-        if false {
-        } else {
-            yield 1;
-        }
-    });
+    finish(
+        1,
+        false,
+        #[coroutine]
+        || {
+            if false {
+            } else {
+                yield 1;
+            }
+        },
+    );
 
-    finish(2, false, #[coroutine] || {
-        if {
-            yield 1;
-            false
-        } {
+    finish(
+        2,
+        false,
+        #[coroutine]
+        || {
+            if {
+                yield 1;
+                false
+            } {
+                yield 1;
+                panic!()
+            }
             yield 1;
-            panic!()
-        }
-        yield 1;
-    });
+        },
+    );
 
     // also test self-referential coroutines
     assert_eq!(
-        finish(5, true, #[coroutine] static || {
-            let mut x = 5;
-            let y = &mut x;
-            *y = 5;
-            yield *y;
-            *y = 10;
-            x
-        }),
+        finish(
+            5,
+            true,
+            #[coroutine]
+            static || {
+                let mut x = 5;
+                let y = &mut x;
+                *y = 5;
+                yield *y;
+                *y = 10;
+                x
+            }
+        ),
         10
     );
     assert_eq!(
-        finish(5, true, #[coroutine] || {
-            let mut x = Box::new(5);
-            let y = &mut *x;
-            *y = 5;
-            yield *y;
-            *y = 10;
-            *x
-        }),
+        finish(
+            5,
+            true,
+            #[coroutine]
+            || {
+                let mut x = Box::new(5);
+                let y = &mut *x;
+                *y = 5;
+                yield *y;
+                *y = 10;
+                *x
+            }
+        ),
         10
     );
 
     let b = true;
-    finish(1, false, #[coroutine] || {
-        yield 1;
-        if b {
-            return;
-        }
-        #[allow(unused)]
-        let x = never();
-        #[allow(unreachable_code)]
-        yield 2;
-        drop(x);
-    });
-
-    finish(3, false, #[coroutine] || {
-        yield 1;
-        #[allow(unreachable_code)]
-        let _x: (String, !) = (String::new(), {
+    finish(
+        1,
+        false,
+        #[coroutine]
+        || {
+            yield 1;
+            if b {
+                return;
+            }
+            #[allow(unused)]
+            let x = never();
+            #[allow(unreachable_code)]
             yield 2;
-            return;
-        });
-    });
+            drop(x);
+        },
+    );
+
+    finish(
+        3,
+        false,
+        #[coroutine]
+        || {
+            yield 1;
+            #[allow(unreachable_code)]
+            let _x: (String, !) = (String::new(), {
+                yield 2;
+                return;
+            });
+        },
+    );
 }
 
 fn smoke_resume_arg() {
@@ -172,7 +222,8 @@ fn smoke_resume_arg() {
     }
 
     drain(
-        &mut #[coroutine] |mut b| {
+        &mut #[coroutine]
+        |mut b| {
             while b != 0 {
                 b = yield (b + 1);
             }
@@ -181,21 +232,35 @@ fn smoke_resume_arg() {
         vec![(1, Yielded(2)), (-45, Yielded(-44)), (500, Yielded(501)), (0, Complete(-1))],
     );
 
-    expect_drops(2, || drain(&mut #[coroutine] |a| yield a, vec![(DropMe, Yielded(DropMe))]));
+    expect_drops(2, || {
+        drain(
+            &mut #[coroutine]
+            |a| yield a,
+            vec![(DropMe, Yielded(DropMe))],
+        )
+    });
 
     expect_drops(6, || {
         drain(
-            &mut #[coroutine] |a| yield yield a,
+            &mut #[coroutine]
+            |a| yield yield a,
             vec![(DropMe, Yielded(DropMe)), (DropMe, Yielded(DropMe)), (DropMe, Complete(DropMe))],
         )
     });
 
     #[allow(unreachable_code)]
-    expect_drops(2, || drain(&mut #[coroutine] |a| yield return a, vec![(DropMe, Complete(DropMe))]));
+    expect_drops(2, || {
+        drain(
+            &mut #[coroutine]
+            |a| yield return a,
+            vec![(DropMe, Complete(DropMe))],
+        )
+    });
 
     expect_drops(2, || {
         drain(
-            &mut #[coroutine] |a: DropMe| {
+            &mut #[coroutine]
+            |a: DropMe| {
                 if false { yield () } else { a }
             },
             vec![(DropMe, Complete(DropMe))],
@@ -205,7 +270,8 @@ fn smoke_resume_arg() {
     expect_drops(4, || {
         drain(
             #[allow(unused_assignments, unused_variables)]
-            &mut #[coroutine] |mut a: DropMe| {
+            &mut #[coroutine]
+            |mut a: DropMe| {
                 a = yield;
                 a = yield;
                 a = yield;
@@ -228,7 +294,8 @@ fn uninit_fields() {
     }
 
     fn run<T>(x: bool, y: bool) {
-        let mut c = #[coroutine] || {
+        let mut c = #[coroutine]
+        || {
             if x {
                 let _a: T;
                 if y {

tests/pass/stacked-borrows/coroutine-self-referential.rs

@@ -8,7 +8,8 @@ use std::{
 };
 
 fn firstn() -> impl Coroutine<Yield = u64, Return = ()> {
-    #[coroutine] static move || {
+    #[coroutine]
+    static move || {
         let mut num = 0;
         let num = &mut num;