src/test/run-pass/hrtb-binder-levels-in-object-types.rs

   1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // Test that we handle binder levels in object types correctly.
  12 // Initially, the reference to `'tcx` in the object type
  13 // `&Typer<'tcx>` was getting an incorrect binder level, yielding
  14 // weird compilation ICEs and so forth.
  15
  16 // pretty-expanded FIXME #23616
  17
  18 trait Typer<'tcx> {
  19     fn method(&self, data: &'tcx isize) -> &'tcx isize { data }
  20 }
  21
  22 struct Tcx<'tcx> {
  23     fields: &'tcx isize
  24 }
  25
  26 impl<'tcx> Typer<'tcx> for Tcx<'tcx> {
  27 }
  28
  29 fn g<'tcx>(typer: &Typer<'tcx>) {
  30 }
  31
  32 fn check_static_type<'x>(tcx: &Tcx<'x>) {
  33     g(tcx)
  34 }
  35
  36 fn main() { }