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