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// Can't use unit struct as enum pattern
// aux-build:empty-struct.rs
extern crate empty_struct;
use empty_struct::*;
struct Empty2();
enum E {
Empty4()
}
// remove attribute after warning cycle and promoting warnings to errors
fn main() {
let e2 = Empty2();
let e4 = E::Empty4();
let xe6 = XEmpty6();
let xe5 = XE::XEmpty5();
match e2 {
Empty2 => () //~ ERROR match bindings cannot shadow tuple structs
}
match xe6 {
XEmpty6 => () //~ ERROR match bindings cannot shadow tuple structs
}
match e4 {
E::Empty4 => ()
//~^ ERROR expected unit struct, unit variant or constant, found tuple variant `E::Empty4`
}
match xe5 {
XE::XEmpty5 => (),
//~^ ERROR expected unit struct, unit variant or constant, found tuple variant `XE::XEmpty5`
_ => {},
}
}
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