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#[cfg] //~ ERROR `cfg` is not followed by parentheses
struct S1;
#[cfg = 10] //~ ERROR `cfg` is not followed by parentheses
struct S2;
#[cfg()] //~ ERROR `cfg` predicate is not specified
struct S3;
#[cfg(a, b)] //~ ERROR multiple `cfg` predicates are specified
struct S4;
#[cfg("str")] //~ ERROR `cfg` predicate key cannot be a literal
struct S5;
#[cfg(a::b)] //~ ERROR `cfg` predicate key must be an identifier
struct S6;
#[cfg(a())] //~ ERROR invalid predicate `a`
struct S7;
#[cfg(a = 10)] //~ ERROR literal in `cfg` predicate value must be a string
struct S8;
#[cfg(a = b"hi")] //~ ERROR literal in `cfg` predicate value must be a string
struct S9;
macro_rules! generate_s10 {
($expr: expr) => {
#[cfg(feature = $expr)]
//~^ ERROR expected unsuffixed literal, found `expr` metavariable
struct S10;
}
}
generate_s10!(concat!("nonexistent"));
fn main() {}
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