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error[E0277]: the trait bound `A: Default` is not satisfied
--> $DIR/derive-const-non-const-type.rs:10:14
|
LL | #[derive_const(Default)]
| ------- in this derive macro expansion
LL | pub struct S(A);
| ^ the trait `~const Default` is not implemented for `A`
|
note: the trait `Default` is implemented for `A`, but that implementation is not `const`
--> $DIR/derive-const-non-const-type.rs:10:14
|
LL | #[derive_const(Default)]
| ------- in this derive macro expansion
LL | pub struct S(A);
| ^
= note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
help: consider annotating `A` with `#[derive(Default)]`
|
LL + #[derive(Default)]
LL | pub struct A;
|
error[E0015]: cannot call non-const fn `<A as Default>::default` in constant functions
--> $DIR/derive-const-non-const-type.rs:10:14
|
LL | #[derive_const(Default)]
| ------- in this derive macro expansion
LL | pub struct S(A);
| ^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
= help: add `#![feature(const_trait_impl)]` to the crate attributes to enable
= note: this error originates in the derive macro `Default` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 2 previous errors
Some errors have detailed explanations: E0015, E0277.
For more information about an error, try `rustc --explain E0015`.
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