rust/tests/ui/rfc-2008-non-exhaustive/variant.rs

// aux-build:variants.rs

extern crate variants;

use variants::NonExhaustiveVariants;

fn main() {
    let variant_struct = NonExhaustiveVariants::Struct { field: 640 };
    //~^ ERROR cannot create non-exhaustive variant

    let variant_tuple = NonExhaustiveVariants::Tuple(640);
    //~^ ERROR tuple variant `Tuple` is private [E0603]

    let variant_unit = NonExhaustiveVariants::Unit;
    //~^ ERROR unit variant `Unit` is private [E0603]

    match variant_struct {
        NonExhaustiveVariants::Unit => "",
        //~^ ERROR unit variant `Unit` is private [E0603]
        NonExhaustiveVariants::Tuple(fe_tpl) => "",
        //~^ ERROR tuple variant `Tuple` is private [E0603]
        NonExhaustiveVariants::Struct { field } => ""
        //~^ ERROR `..` required with variant marked as non-exhaustive
    };

    if let NonExhaustiveVariants::Tuple(fe_tpl) = variant_struct {
        //~^ ERROR tuple variant `Tuple` is private [E0603]
    }

    if let NonExhaustiveVariants::Struct { field } = variant_struct {
        //~^ ERROR `..` required with variant marked as non-exhaustive
    }
}