Bless ui test runners

ElectrifyPro · ElectrifyPro · commit fd6762120b31 · 2026-06-28T03:56:28.000-05:00
diff --git a/tests/ui/abi/bad-custom.rs b/tests/ui/abi/bad-custom.rs
@@ -100,7 +100,7 @@ async unsafe extern "custom" fn no_async_fn() {
 }
 
 fn no_promotion_to_fn_trait(f: unsafe extern "custom" fn()) -> impl Fn()  {
-    //~^ ERROR expected a `Fn()` closure, found `unsafe extern "custom" fn()`
+    //~^ ERROR expected an `Fn()` closure, found `unsafe extern "custom" fn()`
     f
 }
 
diff --git a/tests/ui/associated-types/normalization-ice-issue-149746.rs b/tests/ui/associated-types/normalization-ice-issue-149746.rs
@@ -4,14 +4,14 @@ trait Owner { type Ty<T: FnMut()>; }
 impl Owner for () { type Ty<T: FnMut()> = T; }
 pub struct Warns<T> {
     _significant_drop: <() as Owner>::Ty<T>,
-    //~^ ERROR expected a `FnMut()` closure, found `T`
+    //~^ ERROR expected an `FnMut()` closure, found `T`
     field: String,
 }
 pub fn test<T>(w: Warns<T>) {
-    //~^ ERROR expected a `FnMut()` closure, found `T`
+    //~^ ERROR expected an `FnMut()` closure, found `T`
     _ = || w.field
-    //~^ ERROR expected a `FnMut()` closure, found `T`
-    //~| ERROR expected a `FnMut()` closure, found `T`
+    //~^ ERROR expected an `FnMut()` closure, found `T`
+    //~| ERROR expected an `FnMut()` closure, found `T`
     //~| WARN: changes to closure capture in Rust 2021 will affect drop order
 }
 fn main() {}
diff --git a/tests/ui/async-await/async-fn/impl-header.rs b/tests/ui/async-await/async-fn/impl-header.rs
@@ -6,7 +6,7 @@ impl async Fn<()> for F {}
 //~^ ERROR `async` trait implementations are unsupported
 //~| ERROR the precise format of `Fn`-family traits' type parameters is subject to change
 //~| ERROR manual implementations of `Fn` are experimental
-//~| ERROR expected a `FnMut()` closure, found `F`
+//~| ERROR expected an `FnMut()` closure, found `F`
 //~| ERROR not all trait items implemented, missing: `call`
 
 fn main() {}
diff --git a/tests/ui/cast/raw-ptr-to-dyn-fn-raw-ptr.rs b/tests/ui/cast/raw-ptr-to-dyn-fn-raw-ptr.rs
@@ -4,6 +4,6 @@ fn main() {
     let ptr: *mut () = core::ptr::null_mut();
     let _: &mut dyn Fn() = unsafe {
         &mut *(ptr as *mut dyn Fn())
-        //~^ ERROR expected a `Fn()` closure, found `()`
+        //~^ ERROR expected an `Fn()` closure, found `()`
     };
 }
diff --git a/tests/ui/closures/closure-expected.rs b/tests/ui/closures/closure-expected.rs
@@ -1,5 +1,5 @@
 fn main() {
     let x = Some(1);
     let y = x.or_else(4);
-    //~^ ERROR expected a `FnOnce()` closure, found `{integer}`
+    //~^ ERROR expected an `FnOnce()` closure, found `{integer}`
 }
diff --git a/tests/ui/contracts/empty-ensures.rs b/tests/ui/contracts/empty-ensures.rs
@@ -6,7 +6,7 @@ extern crate core;
 use core::contracts::ensures;
 
 #[ensures()]
-//~^ ERROR expected a `Fn(&_)` closure, found `()` [E0277]
+//~^ ERROR expected an `Fn(&_)` closure, found `()` [E0277]
 fn foo(x: u32) -> u32 {
     x * 2
 }
diff --git a/tests/ui/expr/malformed_closure/block_instead_of_closure_in_arg.rs b/tests/ui/expr/malformed_closure/block_instead_of_closure_in_arg.rs
@@ -1,6 +1,6 @@
 fn main() {
     let number = 2;
-    Some(true).filter({ //~ ERROR expected a `FnOnce(&bool)` closure, found `bool`
+    Some(true).filter({ //~ ERROR expected an `FnOnce(&bool)` closure, found `bool`
         if number % 2 == 0 {
             number == 0
         } else {
diff --git a/tests/ui/expr/malformed_closure/ruby_style_closure_successful_parse.rs b/tests/ui/expr/malformed_closure/ruby_style_closure_successful_parse.rs
@@ -1,6 +1,6 @@
 const x: usize =42;
 fn main() {
-    let p = Some(45).and_then({|x| //~ ERROR expected a `FnOnce({integer})` closure, found `Option<usize>`
+    let p = Some(45).and_then({|x| //~ ERROR expected an `FnOnce({integer})` closure, found `Option<usize>`
         1 + 1;
         Some(x * 2)
     });
diff --git a/tests/ui/extern/extern-wrong-value-type.rs b/tests/ui/extern/extern-wrong-value-type.rs
@@ -7,5 +7,5 @@ fn main() {
     // extern functions are extern "C" fn
     let _x: extern "C" fn() = f; // OK
     is_fn(f);
-    //~^ ERROR expected a `Fn()` closure, found `extern "C" fn() {f}`
+    //~^ ERROR expected an `Fn()` closure, found `extern "C" fn() {f}`
 }
diff --git a/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs b/tests/ui/feature-gates/feature-gate-unboxed-closures-manual-impls.rs
@@ -9,7 +9,7 @@ struct Foo;
 impl Fn<()> for Foo {
     //~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change
     //~| ERROR manual implementations of `Fn` are experimental
-    //~| ERROR expected a `FnMut()` closure, found `Foo`
+    //~| ERROR expected an `FnMut()` closure, found `Foo`
     extern "rust-call" fn call(self, args: ()) -> () {}
     //~^ ERROR "rust-call" ABI is experimental and subject to change
     //~| ERROR `call` has an incompatible type for trait
@@ -26,7 +26,7 @@ struct Bar;
 impl FnMut<()> for Bar {
     //~^ ERROR the precise format of `Fn`-family traits' type parameters is subject to change
     //~| ERROR manual implementations of `FnMut` are experimental
-    //~| ERROR expected a `FnOnce()` closure, found `Bar`
+    //~| ERROR expected an `FnOnce()` closure, found `Bar`
     extern "rust-call" fn call_mut(&self, args: ()) -> () {}
     //~^ ERROR "rust-call" ABI is experimental and subject to change
     //~| ERROR incompatible type for trait
diff --git a/tests/ui/fn/fn-trait-formatting.rs b/tests/ui/fn/fn-trait-formatting.rs
@@ -17,5 +17,5 @@ fn main() {
     //~| NOTE found struct `Box<dyn FnMut() -> isize>`
 
     needs_fn(1);
-    //~^ ERROR expected a `Fn(isize)` closure, found `{integer}`
+    //~^ ERROR expected an `Fn(isize)` closure, found `{integer}`
 }
diff --git a/tests/ui/fn/issue-39259.rs b/tests/ui/fn/issue-39259.rs
@@ -5,7 +5,7 @@ struct S;
 
 impl Fn(u32) -> u32 for S {
     //~^ ERROR associated item constraints are not allowed here [E0229]
-    //~| ERROR expected a `FnMut(u32)` closure, found `S`
+    //~| ERROR expected an `FnMut(u32)` closure, found `S`
     fn call(&self) -> u32 {
         //~^ ERROR method `call` has 1 parameter but the declaration in trait `call` has 2
         5
diff --git a/tests/ui/generic-associated-types/issue-68642-broken-llvm-ir.rs b/tests/ui/generic-associated-types/issue-68642-broken-llvm-ir.rs
@@ -10,7 +10,7 @@ trait Fun {
 
 impl<T> Fun for T {
     type F<'a> = Self;
-    //~^ ERROR expected a `Fn()` closure, found `T`
+    //~^ ERROR expected an `Fn()` closure, found `T`
 }
 
 fn main() {
diff --git a/tests/ui/generic-associated-types/issue-68643-broken-mir.rs b/tests/ui/generic-associated-types/issue-68643-broken-mir.rs
@@ -10,7 +10,7 @@ trait Fun {
 
 impl<T> Fun for T {
     type F<'a> = Self;
-    //~^ ERROR expected a `Fn()` closure, found `T`
+    //~^ ERROR expected an `Fn()` closure, found `T`
 }
 
 pub fn main() {
diff --git a/tests/ui/generic-associated-types/issue-68644-codegen-selection.rs b/tests/ui/generic-associated-types/issue-68644-codegen-selection.rs
@@ -10,7 +10,7 @@ trait Fun {
 
 impl<T> Fun for T {
     type F<'a> = Self;
-    //~^ ERROR expected a `Fn()` closure, found `T`
+    //~^ ERROR expected an `Fn()` closure, found `T`
 }
 
 fn main() {
diff --git a/tests/ui/generic-associated-types/issue-68645-codegen-fulfillment.rs b/tests/ui/generic-associated-types/issue-68645-codegen-fulfillment.rs
@@ -10,7 +10,7 @@ trait Fun {
 
 impl<T> Fun for T {
     type F<'a> = Self;
-    //~^ ERROR expected a `Fn()` closure, found `T`
+    //~^ ERROR expected an `Fn()` closure, found `T`
 }
 
 fn main() {
diff --git a/tests/ui/implied-bounds/issue-100690.rs b/tests/ui/implied-bounds/issue-100690.rs
@@ -32,7 +32,7 @@ impl<'a, T: 'a> Handle<'a, T, UIView<'a, T>, Result<(), io::Error>> for TUIHandl
         F: FnOnce(&mut UIView<'a, T>) -> Result<(), io::Error> + Send + 'static,
     {
         real_dispatch(f)
-        //~^ ERROR expected a `FnOnce(&mut UIView<'_, T>)` closure, found `F`
+        //~^ ERROR expected an `FnOnce(&mut UIView<'_, T>)` closure, found `F`
     }
 }
 
diff --git a/tests/ui/intrinsics/const-eval-select-bad.rs b/tests/ui/intrinsics/const-eval-select-bad.rs
@@ -7,8 +7,8 @@ const fn not_fn_items() {
     const_eval_select((), || {}, || {});
     //~^ ERROR const FnOnce()` is not satisfied
     const_eval_select((), 42, 0xDEADBEEF);
-    //~^ ERROR expected a `FnOnce()` closure
-    //~| ERROR expected a `FnOnce()` closure
+    //~^ ERROR expected an `FnOnce()` closure
+    //~| ERROR expected an `FnOnce()` closure
 }
 
 const fn foo(n: i32) -> i32 {
diff --git a/tests/ui/lifetimes/issue-76168-hr-outlives-3.rs b/tests/ui/lifetimes/issue-76168-hr-outlives-3.rs
@@ -4,9 +4,9 @@
 use std::future::Future;
 
 async fn wrapper<F>(f: F)
-//~^ ERROR: expected a `FnOnce(&'a mut i32)` closure, found `i32`
-//~| ERROR: expected a `FnOnce(&'a mut i32)` closure, found `i32`
-//~| ERROR: expected a `FnOnce(&'a mut i32)` closure, found `i32`
+//~^ ERROR: expected an `FnOnce(&'a mut i32)` closure, found `i32`
+//~| ERROR: expected an `FnOnce(&'a mut i32)` closure, found `i32`
+//~| ERROR: expected an `FnOnce(&'a mut i32)` closure, found `i32`
 where
     F:,
     for<'a> <i32 as FnOnce<(&'a mut i32,)>>::Output: Future<Output = ()> + 'a,
diff --git a/tests/ui/lifetimes/issue-95023.rs b/tests/ui/lifetimes/issue-95023.rs
@@ -4,7 +4,7 @@ impl Fn(&isize) for Error {
     //~^ ERROR manual implementations of `Fn` are experimental [E0183]
     //~| ERROR associated item constraints are not allowed here [E0229]
     //~| ERROR not all trait items implemented
-    //~| ERROR expected a `FnMut(&isize)` closure, found `Error`
+    //~| ERROR expected an `FnMut(&isize)` closure, found `Error`
     fn foo<const N: usize>(&self) -> Self::B<{ N }>;
     //~^ ERROR associated function in `impl` without body
     //~| ERROR method `foo` is not a member of trait `Fn` [E0407]
diff --git a/tests/ui/macros/ice-in-tokenstream-for-contracts-issue-140683.rs b/tests/ui/macros/ice-in-tokenstream-for-contracts-issue-140683.rs
@@ -4,7 +4,7 @@
 struct T;
 
 impl T {
-    #[core::contracts::ensures] //~ ERROR expected a `Fn(&_)` closure, found `()`
+    #[core::contracts::ensures] //~ ERROR expected an `Fn(&_)` closure, found `()`
     fn b() {(loop)}
     //~^ ERROR expected `{`, found `)`
     //~| ERROR expected `{`, found `)`
diff --git a/tests/ui/methods/filter-relevant-fn-bounds.rs b/tests/ui/methods/filter-relevant-fn-bounds.rs
@@ -16,5 +16,5 @@ impl Wrapper {
 fn main() {
     let mut wrapper = Wrapper;
     wrapper.do_something_wrapper(|value| ());
-    //~^ ERROR expected a `FnOnce
+    //~^ ERROR expected an `FnOnce
 }
diff --git a/tests/ui/methods/method-suggestion-trait-with-extra-generics-no-ice.rs b/tests/ui/methods/method-suggestion-trait-with-extra-generics-no-ice.rs
@@ -16,7 +16,7 @@ struct Bar;
 
 fn main() {
     let foo: Box<dyn Fn(bool) -> usize> = Box::new(Bar);
-    //~^ ERROR expected a `Fn(bool)` closure, found `Bar`
+    //~^ ERROR expected an `Fn(bool)` closure, found `Bar`
     foo.borrow();
     //~^ ERROR no method named `borrow` found
     foo.take()
diff --git a/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.current.fixed b/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.current.fixed
@@ -5,10 +5,10 @@
 fn main() {
     let _ = (-10..=10).find(|x: &i32| x.signum() == 0);
     //[current]~^ ERROR type mismatch in closure arguments
-    //[next]~^^ ERROR: expected a `FnMut(&{integer})` closure, found
+    //[next]~^^ ERROR: expected an `FnMut(&{integer})` closure, found
     //[next]~| ERROR: type mismatch resolving `<{closure@closure-arg-type-mismatch-issue-45727.rs:6:29} as FnOnce<(&{integer},)>>::Output == bool`
     let _ = (-10..=10).find(|x: &i32| x.signum() == 0);
     //[current]~^ ERROR type mismatch in closure arguments
-    //[next]~^^ ERROR: expected a `FnMut(&{integer})` closure, found
+    //[next]~^^ ERROR: expected an `FnMut(&{integer})` closure, found
     //[next]~| ERROR: type mismatch resolving `<{closure@closure-arg-type-mismatch-issue-45727.rs:10:29} as FnOnce<(&{integer},)>>::Output == bool`
 }
diff --git a/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.rs b/tests/ui/mismatched_types/closure-arg-type-mismatch-issue-45727.rs
@@ -5,10 +5,10 @@
 fn main() {
     let _ = (-10..=10).find(|x: i32| x.signum() == 0);
     //[current]~^ ERROR type mismatch in closure arguments
-    //[next]~^^ ERROR: expected a `FnMut(&{integer})` closure, found
+    //[next]~^^ ERROR: expected an `FnMut(&{integer})` closure, found
     //[next]~| ERROR: type mismatch resolving `<{closure@closure-arg-type-mismatch-issue-45727.rs:6:29} as FnOnce<(&{integer},)>>::Output == bool`
     let _ = (-10..=10).find(|x: &&&i32| x.signum() == 0);
     //[current]~^ ERROR type mismatch in closure arguments
-    //[next]~^^ ERROR: expected a `FnMut(&{integer})` closure, found
+    //[next]~^^ ERROR: expected an `FnMut(&{integer})` closure, found
     //[next]~| ERROR: type mismatch resolving `<{closure@closure-arg-type-mismatch-issue-45727.rs:10:29} as FnOnce<(&{integer},)>>::Output == bool`
 }
diff --git a/tests/ui/mismatched_types/suggest-option-asderef-unfixable.rs b/tests/ui/mismatched_types/suggest-option-asderef-unfixable.rs
@@ -24,9 +24,9 @@ fn main() {
     let _ = produces_string().and_then(takes_str_but_too_many_refs);
     //~^ ERROR type mismatch in function arguments
     let _ = produces_string().and_then(takes_str_but_wrong_abi);
-    //~^ ERROR expected a `FnOnce(String)` closure, found `for<'a> extern "C" fn(&'a str) -> Option<()> {takes_str_but_wrong_abi}`
+    //~^ ERROR expected an `FnOnce(String)` closure, found `for<'a> extern "C" fn(&'a str) -> Option<()> {takes_str_but_wrong_abi}`
     let _ = produces_string().and_then(takes_str_but_unsafe);
-    //~^ ERROR expected a `FnOnce(String)` closure, found `for<'a> unsafe fn(&'a str) -> Option<()> {takes_str_but_unsafe}`
+    //~^ ERROR expected an `FnOnce(String)` closure, found `for<'a> unsafe fn(&'a str) -> Option<()> {takes_str_but_unsafe}`
     let _ = produces_string().and_then(no_args);
     //~^ ERROR function is expected to take 1 argument, but it takes 0 arguments
     let _ = Some(TypeWithoutDeref).and_then(takes_str_but_too_many_refs);
diff --git a/tests/ui/rfcs/rfc-2396-target_feature-11/fn-traits.rs b/tests/ui/rfcs/rfc-2396-target_feature-11/fn-traits.rs
@@ -26,15 +26,15 @@ fn call_once_i32(f: impl FnOnce(i32)) {
 }
 
 fn main() {
-    call(foo); //~ ERROR expected a `Fn()` closure, found `#[target_features] fn() {foo}`
-    call_mut(foo); //~ ERROR expected a `FnMut()` closure, found `#[target_features] fn() {foo}`
-    call_once(foo); //~ ERROR expected a `FnOnce()` closure, found `#[target_features] fn() {foo}`
-    call_once_i32(bar); //~ ERROR expected a `FnOnce(i32)` closure, found `#[target_features] fn(i32) {bar}`
+    call(foo); //~ ERROR expected an `Fn()` closure, found `#[target_features] fn() {foo}`
+    call_mut(foo); //~ ERROR expected an `FnMut()` closure, found `#[target_features] fn() {foo}`
+    call_once(foo); //~ ERROR expected an `FnOnce()` closure, found `#[target_features] fn() {foo}`
+    call_once_i32(bar); //~ ERROR expected an `FnOnce(i32)` closure, found `#[target_features] fn(i32) {bar}`
 
     call(foo_unsafe);
-    //~^ ERROR expected a `Fn()` closure, found `unsafe fn() {foo_unsafe}`
+    //~^ ERROR expected an `Fn()` closure, found `unsafe fn() {foo_unsafe}`
     call_mut(foo_unsafe);
-    //~^ ERROR expected a `FnMut()` closure, found `unsafe fn() {foo_unsafe}`
+    //~^ ERROR expected an `FnMut()` closure, found `unsafe fn() {foo_unsafe}`
     call_once(foo_unsafe);
-    //~^ ERROR expected a `FnOnce()` closure, found `unsafe fn() {foo_unsafe}`
+    //~^ ERROR expected an `FnOnce()` closure, found `unsafe fn() {foo_unsafe}`
 }
diff --git a/tests/ui/traits/associated_type_bound/check-trait-object-bounds-2.rs b/tests/ui/traits/associated_type_bound/check-trait-object-bounds-2.rs
@@ -11,5 +11,5 @@ fn f<T: for<'r> X<'r> + ?Sized>() {
 
 fn main() {
     f::<dyn for<'x> X<'x, F = i32>>();
-    //~^ ERROR expected a `FnOnce(&i32)` closure, found `i32`
+    //~^ ERROR expected an `FnOnce(&i32)` closure, found `i32`
 }
diff --git a/tests/ui/traits/next-solver/diagnostics/const-host-effect-hrtb-no-ice.rs b/tests/ui/traits/next-solver/diagnostics/const-host-effect-hrtb-no-ice.rs
@@ -7,7 +7,7 @@ const fn with_positive<F: for<'a> [const] Fn(&'a ())>() {}
 
 const _: () = {
     with_positive::<()>();
-    //~^ ERROR expected a `Fn(&'a ())` closure, found `()`
+    //~^ ERROR expected an `Fn(&'a ())` closure, found `()`
     //~| ERROR type mismatch resolving `<() as FnOnce<(&(),)>>::Output == ()`
 };
 
diff --git a/tests/ui/traits/next-solver/fn-trait.rs b/tests/ui/traits/next-solver/fn-trait.rs
@@ -18,11 +18,11 @@ fn main() {
     require_fn(f);
     require_fn(f as fn() -> i32);
     require_fn(f as unsafe fn() -> i32);
-    //~^ ERROR: expected a `Fn()` closure, found `unsafe fn() -> i32`
+    //~^ ERROR: expected an `Fn()` closure, found `unsafe fn() -> i32`
     require_fn(g);
-    //~^ ERROR: expected a `Fn()` closure, found `extern "C" fn() -> i32 {g}`
+    //~^ ERROR: expected an `Fn()` closure, found `extern "C" fn() -> i32 {g}`
     require_fn(g as extern "C" fn() -> i32);
-    //~^ ERROR: expected a `Fn()` closure, found `extern "C" fn() -> i32`
+    //~^ ERROR: expected an `Fn()` closure, found `extern "C" fn() -> i32`
     require_fn(h);
-    //~^ ERROR: expected a `Fn()` closure, found `unsafe fn() -> i32 {h}`
+    //~^ ERROR: expected an `Fn()` closure, found `unsafe fn() -> i32 {h}`
 }
diff --git a/tests/ui/type-alias-impl-trait/issue-63279.rs b/tests/ui/type-alias-impl-trait/issue-63279.rs
@@ -4,11 +4,11 @@ type Closure = impl FnOnce();
 
 #[define_opaque(Closure)]
 fn c() -> Closure {
-    //~^ ERROR: expected a `FnOnce()` closure, found `()`
+    //~^ ERROR: expected an `FnOnce()` closure, found `()`
     || -> Closure { || () }
     //~^ ERROR: mismatched types
     //~| ERROR: mismatched types
-    //~| ERROR: expected a `FnOnce()` closure, found `()`
+    //~| ERROR: expected an `FnOnce()` closure, found `()`
 }
 
 fn main() {}
diff --git a/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.rs b/tests/ui/type-alias-impl-trait/lazy_subtyping_of_opaques.rs
@@ -8,10 +8,10 @@ type Tait = impl FnOnce() -> ();
 
 #[define_opaque(Tait)]
 fn reify_as_tait() -> Thunk<Tait> {
-    //~^ ERROR: expected a `FnOnce()` closure, found `()`
+    //~^ ERROR: expected an `FnOnce()` closure, found `()`
     Thunk::new(|cont| cont)
     //~^ ERROR: mismatched types
-    //~| ERROR: expected a `FnOnce()` closure, found `()`
+    //~| ERROR: expected an `FnOnce()` closure, found `()`
 }
 
 struct Thunk<F>(F);

Original file line number	Diff line number	Diff line change
`@@ -100,7 +100,7 @@ async unsafe extern "custom" fn no_async_fn() {`
`100`	`100`	`}`
`101`	`101`
`102`	`102`	`fn no_promotion_to_fn_trait(f: unsafe extern "custom" fn()) -> impl Fn() {`
`103`		- //~^ ERROR expected a `Fn()` closure, found `unsafe extern "custom" fn()`
	`103`	+ //~^ ERROR expected an `Fn()` closure, found `unsafe extern "custom" fn()`
`104`	`104`	`f`
`105`	`105`	`}`
`106`	`106`
Original file line number	Diff line number	Diff line change
`@@ -4,6 +4,6 @@ fn main() {`
`4`	`4`	`let ptr: *mut () = core::ptr::null_mut();`
`5`	`5`	`let _: &mut dyn Fn() = unsafe {`
`6`	`6`	`&mut (ptr as mut dyn Fn())`
`7`		- //~^ ERROR expected a `Fn()` closure, found `()`
	`7`	+ //~^ ERROR expected an `Fn()` closure, found `()`
`8`	`8`	`};`
`9`	`9`	`}`
Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	`fn main() {`
`2`	`2`	`let x = Some(1);`
`3`	`3`	`let y = x.or_else(4);`
`4`		- //~^ ERROR expected a `FnOnce()` closure, found `{integer}`
	`4`	+ //~^ ERROR expected an `FnOnce()` closure, found `{integer}`
`5`	`5`	`}`
Original file line number	Diff line number	Diff line change
`@@ -6,7 +6,7 @@ extern crate core;`
`6`	`6`	`use core::contracts::ensures;`
`7`	`7`
`8`	`8`	`#[ensures()]`
`9`		-//~^ ERROR expected a `Fn(&_)` closure, found `()` [E0277]
	`9`	+//~^ ERROR expected an `Fn(&_)` closure, found `()` [E0277]
`10`	`10`	`fn foo(x: u32) -> u32 {`
`11`	`11`	`x * 2`
`12`	`12`	`}`
Original file line number	Diff line number	Diff line change
`@@ -7,5 +7,5 @@ fn main() {`
`7`	`7`	`// extern functions are extern "C" fn`
`8`	`8`	`let _x: extern "C" fn() = f; // OK`
`9`	`9`	`is_fn(f);`
`10`		- //~^ ERROR expected a `Fn()` closure, found `extern "C" fn() {f}`
	`10`	+ //~^ ERROR expected an `Fn()` closure, found `extern "C" fn() {f}`
`11`	`11`	`}`