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59 lines
2.4 KiB
Plaintext
59 lines
2.4 KiB
Plaintext
error: `~const` can only be applied to `#[const_trait]` traits
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--> $DIR/normalize-tait-in-const.rs:27:35
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LL | const fn with_positive<F: for<'a> ~const Fn(&'a Alias<'a>) + ~const Destruct>(fun: F) {
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| ^^^^^^ can't be applied to `Fn`
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note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
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--> $SRC_DIR/core/src/ops/function.rs:LL:COL
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error: `~const` can only be applied to `#[const_trait]` traits
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--> $DIR/normalize-tait-in-const.rs:27:35
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LL | const fn with_positive<F: for<'a> ~const Fn(&'a Alias<'a>) + ~const Destruct>(fun: F) {
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| ^^^^^^ can't be applied to `Fn`
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note: `Fn` can't be used with `~const` because it isn't annotated with `#[const_trait]`
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--> $SRC_DIR/core/src/ops/function.rs:LL:COL
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= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
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error: unconstrained opaque type
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--> $DIR/normalize-tait-in-const.rs:14:26
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LL | pub type Alias<'a> = impl T<Item = &'a ()>;
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| ^^^^^^^^^^^^^^^^^^^^^
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= note: `Alias` must be used in combination with a concrete type within the same crate
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error[E0015]: cannot call non-const closure in constant functions
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--> $DIR/normalize-tait-in-const.rs:28:5
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LL | fun(filter_positive());
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| ^^^^^^^^^^^^^^^^^^^^^^
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= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
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error[E0308]: mismatched types
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--> $DIR/normalize-tait-in-const.rs:22:9
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LL | pub type Alias<'a> = impl T<Item = &'a ()>;
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| --------------------- the expected opaque type
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...
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LL | pub const fn filter_positive<'a>() -> &'a Alias<'a> {
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| ------------- expected `&'a foo::Alias<'a>` because of return type
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LL | &&S
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| ^^^ expected `&Alias<'_>`, found `&&S`
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= note: expected reference `&'a foo::Alias<'a>`
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found reference `&&S`
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note: this item must have a `#[define_opaque(foo::Alias)]` attribute to be able to define hidden types
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--> $DIR/normalize-tait-in-const.rs:21:18
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LL | pub const fn filter_positive<'a>() -> &'a Alias<'a> {
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| ^^^^^^^^^^^^^^^
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error: aborting due to 5 previous errors
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Some errors have detailed explanations: E0015, E0308.
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For more information about an error, try `rustc --explain E0015`.
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