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Diffstat (limited to 'tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr')
| -rw-r--r-- | tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr b/tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr new file mode 100644 index 000000000..4470e287c --- /dev/null +++ b/tests/ui/rfc-2632-const-trait-impl/const-closure-trait-method-fail.stderr @@ -0,0 +1,23 @@ +error[E0277]: the trait bound `(): ~const Tr` is not satisfied in `fn(()) -> i32 {<() as Tr>::a}` + --> $DIR/const-closure-trait-method-fail.rs:16:42 + | +LL | const _: () = assert!(need_const_closure(Tr::a) == 42); + | ------------------ ^^^^^ within `fn(()) -> i32 {<() as Tr>::a}`, the trait `~const Tr` is not implemented for `()` + | | + | required by a bound introduced by this call + | +note: the trait `Tr` is implemented for `()`, but that implementation is not `const` + --> $DIR/const-closure-trait-method-fail.rs:16:42 + | +LL | const _: () = assert!(need_const_closure(Tr::a) == 42); + | ^^^^^ + = note: required because it appears within the type `fn(()) -> i32 {<() as Tr>::a}` +note: required by a bound in `need_const_closure` + --> $DIR/const-closure-trait-method-fail.rs:12:32 + | +LL | const fn need_const_closure<T: ~const FnOnce(()) -> i32>(x: T) -> i32 { + | ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `need_const_closure` + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0277`. |