35 lines
1.2 KiB
Plaintext
35 lines
1.2 KiB
Plaintext
error[E0658]: `?` is not allowed in a `const fn`
|
|
--> $DIR/try.rs:6:5
|
|
|
|
|
LL | x?;
|
|
| ^^
|
|
|
|
|
= note: see issue #74935 <https://github.com/rust-lang/rust/issues/74935> for more information
|
|
= help: add `#![feature(const_try)]` to the crate attributes to enable
|
|
= note: this compiler was built on YYYY-MM-DD; consider upgrading it if it is out of date
|
|
|
|
error[E0015]: `?` cannot determine the branch of `Option<i32>` in constant functions
|
|
--> $DIR/try.rs:6:5
|
|
|
|
|
LL | x?;
|
|
| ^^
|
|
|
|
|
note: impl defined here, but it is not `const`
|
|
--> $SRC_DIR/core/src/option.rs:LL:COL
|
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
|
|
|
|
error[E0015]: `?` cannot convert from residual of `Option<i32>` in constant functions
|
|
--> $DIR/try.rs:6:5
|
|
|
|
|
LL | x?;
|
|
| ^^
|
|
|
|
|
note: impl defined here, but it is not `const`
|
|
--> $SRC_DIR/core/src/option.rs:LL:COL
|
|
= note: calls in constant functions are limited to constant functions, tuple structs and tuple variants
|
|
|
|
error: aborting due to 3 previous errors
|
|
|
|
Some errors have detailed explanations: E0015, E0658.
|
|
For more information about an error, try `rustc --explain E0015`.
|