tests/ui/nll/user-annotations/method-call.rs

   1 // Unit test for the "user substitutions" that are annotated on each
   2 // node.
   3
   4 trait Bazoom<T> {
   5     fn method<U>(&self, arg: T, arg2: U) { }
   6 }
   7
   8 impl<T, U> Bazoom<U> for T {
   9 }
  10
  11 fn no_annot() {
  12     let a = 22;
  13     let b = 44;
  14     let c = 66;
  15     a.method(b,  &c); // OK
  16 }
  17
  18 fn annot_underscore() {
  19     let a = 22;
  20     let b = 44;
  21     let c = 66;
  22     a.method::<_>(b,  &c); // OK
  23 }
  24
  25 fn annot_reference_any_lifetime() {
  26     let a = 22;
  27     let b = 44;
  28     let c = 66;
  29     a.method::<&u32>(b,  &c); // OK
  30 }
  31
  32 fn annot_reference_static_lifetime() {
  33     let a = 22;
  34     let b = 44;
  35     let c = 66;
  36     a.method::<&'static u32>(b,  &c); //~ ERROR
  37 }
  38
  39 fn annot_reference_named_lifetime<'a>(_d: &'a u32) {
  40     let a = 22;
  41     let b = 44;
  42     let c = 66;
  43     a.method::<&'a u32>(b,  &c); //~ ERROR
  44 }
  45
  46 fn annot_reference_named_lifetime_ok<'a>(c: &'a u32) {
  47     let a = 22;
  48     let b = 44;
  49     a.method::<&'a u32>(b,  c);
  50 }
  51
  52 fn annot_reference_named_lifetime_in_closure<'a>(_: &'a u32) {
  53     let a = 22;
  54     let b = 44;
  55     let _closure = || {
  56         let c = 66;
  57         a.method::<&'a u32>(b,  &c); //~ ERROR
  58     };
  59 }
  60
  61 fn annot_reference_named_lifetime_in_closure_ok<'a>(c: &'a u32) {
  62     let a = 22;
  63     let b = 44;
  64     let _closure = || {
  65         a.method::<&'a u32>(b,  c);
  66     };
  67 }
  68
  69 fn main() { }