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|
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/const-closures.rs:8:19
|
LL | F: ~const FnOnce() -> u8,
| ^^^^^^^^^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/const-closures.rs:9:19
|
LL | F: ~const FnMut() -> u8,
| ^^^^^^^^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/const-closures.rs:10:19
|
LL | F: ~const Fn() -> u8,
| ^^^^^^^^^^
error: `~const` can only be applied to `#[const_trait]` traits
--> $DIR/const-closures.rs:23:27
|
LL | const fn answer<F: ~const Fn() -> u8>(f: &F) -> u8 {
| ^^^^^^^^^^
error[E0015]: cannot call non-const closure in constant functions
--> $DIR/const-closures.rs:24:5
|
LL | f() + f()
| ^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
= help: add `#![feature(effects)]` to the crate attributes to enable
help: consider further restricting this bound
|
LL | const fn answer<F: ~const Fn() -> u8 + ~const std::ops::Fn<()>>(f: &F) -> u8 {
| +++++++++++++++++++++++++
error[E0015]: cannot call non-const closure in constant functions
--> $DIR/const-closures.rs:24:11
|
LL | f() + f()
| ^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
= help: add `#![feature(effects)]` to the crate attributes to enable
help: consider further restricting this bound
|
LL | const fn answer<F: ~const Fn() -> u8 + ~const std::ops::Fn<()>>(f: &F) -> u8 {
| +++++++++++++++++++++++++
error[E0015]: cannot call non-const closure in constant functions
--> $DIR/const-closures.rs:12:5
|
LL | f() * 7
| ^^^
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
= help: add `#![feature(effects)]` to the crate attributes to enable
help: consider further restricting this bound
|
LL | F: ~const FnOnce() -> u8 + ~const std::ops::Fn<()>,
| +++++++++++++++++++++++++
error: aborting due to 7 previous errors
For more information about this error, try `rustc --explain E0015`.
|
