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error: `cfg` is not followed by parentheses
--> $DIR/cfg-attr-syntax-validation.rs:1:1
|
LL | #[cfg]
| ^^^^^^ help: expected syntax is: `cfg(/* predicate */)`
error: `cfg` is not followed by parentheses
--> $DIR/cfg-attr-syntax-validation.rs:4:1
|
LL | #[cfg = 10]
| ^^^^^^^^^^^ help: expected syntax is: `cfg(/* predicate */)`
error: `cfg` predicate is not specified
--> $DIR/cfg-attr-syntax-validation.rs:7:1
|
LL | #[cfg()]
| ^^^^^^^^ help: expected syntax is: `cfg(/* predicate */)`
error: multiple `cfg` predicates are specified
--> $DIR/cfg-attr-syntax-validation.rs:10:10
|
LL | #[cfg(a, b)]
| ^
error: `cfg` predicate key cannot be a literal
--> $DIR/cfg-attr-syntax-validation.rs:13:7
|
LL | #[cfg("str")]
| ^^^^^
error: `cfg` predicate key must be an identifier
--> $DIR/cfg-attr-syntax-validation.rs:16:7
|
LL | #[cfg(a::b)]
| ^^^^
error[E0537]: invalid predicate `a`
--> $DIR/cfg-attr-syntax-validation.rs:19:7
|
LL | #[cfg(a())]
| ^^^
error[E0565]: literal in `cfg` predicate value must be a string
--> $DIR/cfg-attr-syntax-validation.rs:22:11
|
LL | #[cfg(a = 10)]
| ^^
error[E0565]: literal in `cfg` predicate value must be a string
--> $DIR/cfg-attr-syntax-validation.rs:25:11
|
LL | #[cfg(a = b"hi")]
| -^^^^
| |
| help: consider removing the prefix
error: expected unsuffixed literal or identifier, found `concat!("nonexistent")`
--> $DIR/cfg-attr-syntax-validation.rs:30:25
|
LL | #[cfg(feature = $expr)]
| ^^^^^
...
LL | generate_s10!(concat!("nonexistent"));
| ------------------------------------- in this macro invocation
|
= note: this error originates in the macro `generate_s10` (in Nightly builds, run with -Z macro-backtrace for more info)
error: expected unsuffixed literal or identifier, found `concat!("nonexistent")`
--> $DIR/cfg-attr-syntax-validation.rs:30:25
|
LL | #[cfg(feature = $expr)]
| ^^^^^
...
LL | generate_s10!(concat!("nonexistent"));
| ------------------------------------- in this macro invocation
|
= note: duplicate diagnostic emitted due to `-Z deduplicate-diagnostics=no`
= note: this error originates in the macro `generate_s10` (in Nightly builds, run with -Z macro-backtrace for more info)
error: aborting due to 11 previous errors
Some errors have detailed explanations: E0537, E0565.
For more information about an error, try `rustc --explain E0537`.
|
