tests/ui/regions/regions-bounded-method-type-parameters-cross-crate.rs


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

// aux-build:rbmtp_cross_crate_lib.rs

// Check explicit region bounds on methods in the cross crate case.

extern crate rbmtp_cross_crate_lib as lib;

use lib::Inv;
use lib::MaybeOwned;
use lib::IntoMaybeOwned;

fn call_into_maybe_owned<'x,F:IntoMaybeOwned<'x>>(f: F) {
    // Exercise a code path I found to be buggy. We were not encoding
    // the region parameters from the receiver correctly on trait
    // methods.
    f.into_maybe_owned();
}

fn call_bigger_region<'x, 'y>(a: Inv<'x>, b: Inv<'y>) {
    // Here the value provided for 'y is 'y, and hence 'y:'x does not hold.
    a.bigger_region(b)
    //~^ ERROR lifetime may not live long enough
}

fn main() { }