Avoid tupling at the callee

[rust.git] / src / test / ui / intrinsics / const-eval-select-bad.stderr

diff --git a/src/test/ui/intrinsics/const-eval-select-bad.stderr b/src/test/ui/intrinsics/const-eval-select-bad.stderr
index a38eb627e341de280974e98b2fb998deec6281dc..78647e92138c2ccaa8dd3cd29001265654afea8b 100644 (file)
--- a/src/test/ui/intrinsics/const-eval-select-bad.stderr
+++ b/src/test/ui/intrinsics/const-eval-select-bad.stderr
@@ -1,34 +1,36 @@
-error[E0277]: expected a `FnOnce<((),)>` closure, found `[closure@$DIR/const-eval-select-bad.rs:6:27: 6:34]`
-  --> $DIR/const-eval-select-bad.rs:6:36
+error[E0277]: expected a `FnOnce<()>` closure, found `[closure@$DIR/const-eval-select-bad.rs:6:27: 6:32]`
+  --> $DIR/const-eval-select-bad.rs:6:34
    |
-LL |     const_eval_select((), |()| {}, |()| {});
-   |     -----------------              ^^^^^^^ expected an `FnOnce<((),)>` closure, found `[closure@$DIR/const-eval-select-bad.rs:6:27: 6:34]`
+LL |     const_eval_select((), || {}, || {});
+   |     -----------------            ^^^^^ expected an `FnOnce<()>` closure, found `[closure@$DIR/const-eval-select-bad.rs:6:27: 6:32]`
    |     |
    |     required by a bound introduced by this call
    |
-   = help: the trait `FnOnce<((),)>` is not implemented for `[closure@$DIR/const-eval-select-bad.rs:6:27: 6:34]`
+   = help: the trait `FnOnce<()>` is not implemented for `[closure@$DIR/const-eval-select-bad.rs:6:27: 6:32]`
+   = note: wrap the `[closure@$DIR/const-eval-select-bad.rs:6:27: 6:32]` in a closure with no arguments: `|| { /* code */ }`
 note: required by a bound in `const_eval_select`
   --> $SRC_DIR/core/src/intrinsics.rs:LL:COL
    |
-LL |     F: ~const FnOnce(ARG) -> RET,
-   |        ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `const_eval_select`
+LL |     F: ~const FnOnce<ARG, Output = RET>,
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `const_eval_select`
 
-error[E0277]: expected a `FnOnce<((),)>` closure, found `{integer}`
+error[E0277]: expected a `FnOnce<()>` closure, found `{integer}`
   --> $DIR/const-eval-select-bad.rs:8:31
    |
 LL |     const_eval_select((), 42, 0xDEADBEEF);
-   |     -----------------         ^^^^^^^^^^ expected an `FnOnce<((),)>` closure, found `{integer}`
+   |     -----------------         ^^^^^^^^^^ expected an `FnOnce<()>` closure, found `{integer}`
    |     |
    |     required by a bound introduced by this call
    |
-   = help: the trait `FnOnce<((),)>` is not implemented for `{integer}`
+   = help: the trait `FnOnce<()>` is not implemented for `{integer}`
+   = note: wrap the `{integer}` in a closure with no arguments: `|| { /* code */ }`
 note: required by a bound in `const_eval_select`
   --> $SRC_DIR/core/src/intrinsics.rs:LL:COL
    |
-LL |     F: ~const FnOnce(ARG) -> RET,
-   |        ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `const_eval_select`
+LL |     F: ~const FnOnce<ARG, Output = RET>,
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `const_eval_select`
 
-error[E0271]: type mismatch resolving `<fn((i32,)) -> bool {bar} as FnOnce<((i32,),)>>::Output == i32`
+error[E0271]: type mismatch resolving `<fn(i32) -> bool {bar} as FnOnce<(i32,)>>::Output == i32`
   --> $DIR/const-eval-select-bad.rs:27:5
    |
 LL |     const_eval_select((1,), foo, bar);
@@ -37,25 +39,25 @@ LL |     const_eval_select((1,), foo, bar);
 note: required by a bound in `const_eval_select`
   --> $SRC_DIR/core/src/intrinsics.rs:LL:COL
    |
-LL |     G: FnOnce(ARG) -> RET + ~const Drop,
-   |                       ^^^ required by this bound in `const_eval_select`
+LL |     G: FnOnce<ARG, Output = RET> + ~const Drop,
+   |                    ^^^^^^^^^^^^ required by this bound in `const_eval_select`
 
 error[E0631]: type mismatch in function arguments
   --> $DIR/const-eval-select-bad.rs:32:37
    |
-LL | const fn foo((n,): (i32,)) -> i32 {
-   | --------------------------------- found signature of `fn((i32,)) -> _`
+LL | const fn foo(n: i32) -> i32 {
+   | --------------------------- found signature of `fn(i32) -> _`
 ...
 LL |     const_eval_select((true,), foo, baz);
-   |     -----------------               ^^^ expected signature of `fn((bool,)) -> _`
+   |     -----------------               ^^^ expected signature of `fn(bool) -> _`
    |     |
    |     required by a bound introduced by this call
    |
 note: required by a bound in `const_eval_select`
   --> $SRC_DIR/core/src/intrinsics.rs:LL:COL
    |
-LL |     F: ~const FnOnce(ARG) -> RET,
-   |        ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `const_eval_select`
+LL |     F: ~const FnOnce<ARG, Output = RET>,
+   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `const_eval_select`
 
 error: aborting due to 4 previous errors