src/test/ui/regions/regions-close-over-type-parameter-1.rs

#![feature(box_syntax)]

// Test for what happens when a type parameter `A` is closed over into
// an object. This should yield errors unless `A` (and the object)
// both have suitable bounds.

trait SomeTrait { fn get(&self) -> isize; }

fn make_object1<A:SomeTrait>(v: A) -> Box<dyn SomeTrait + 'static> {
    box v as Box<dyn SomeTrait + 'static>
        //~^ ERROR the parameter type `A` may not live long enough
        //~| ERROR the parameter type `A` may not live long enough
}

fn make_object2<'a,A:SomeTrait+'a>(v: A) -> Box<dyn SomeTrait + 'a> {
    box v as Box<dyn SomeTrait + 'a>
}

fn make_object3<'a,'b,A:SomeTrait+'a>(v: A) -> Box<dyn SomeTrait + 'b> {
    box v as Box<dyn SomeTrait + 'b>
        //~^ ERROR the parameter type `A` may not live long enough
        //~| ERROR the parameter type `A` may not live long enough
}

fn main() { }