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|
error[E0635]: unknown feature `const_convert`
--> $DIR/try-operator.rs:6:12
|
LL | #![feature(const_convert)]
| ^^^^^^^^^^^^^
error[E0015]: `?` cannot determine the branch of `Result<(), ()>` in constant functions
--> $DIR/try-operator.rs:10:9
|
LL | Err(())?;
| ^^^^^^^^
|
note: impl defined here, but it is not `const`
--> $SRC_DIR/core/src/result.rs:LL:COL
= 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
|
LL + #![feature(effects)]
|
error[E0015]: `?` cannot convert from residual of `Result<bool, ()>` in constant functions
--> $DIR/try-operator.rs:10:9
|
LL | Err(())?;
| ^^^^^^^^
|
note: impl defined here, but it is not `const`
--> $SRC_DIR/core/src/result.rs:LL:COL
= 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
|
LL + #![feature(effects)]
|
error[E0015]: `?` cannot determine the branch of `Option<()>` in constant functions
--> $DIR/try-operator.rs:18:9
|
LL | None?;
| ^^^^^
|
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
help: add `#![feature(effects)]` to the crate attributes to enable
|
LL + #![feature(effects)]
|
error[E0015]: `?` cannot convert from residual of `Option<()>` in constant functions
--> $DIR/try-operator.rs:18:9
|
LL | None?;
| ^^^^^
|
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
help: add `#![feature(effects)]` to the crate attributes to enable
|
LL + #![feature(effects)]
|
error: aborting due to 5 previous errors
Some errors have detailed explanations: E0015, E0635.
For more information about an error, try `rustc --explain E0015`.
|
