tests/ui/anonymous-higher-ranked-lifetime.stderr

   1 error[E0631]: type mismatch in closure arguments
   2   --> $DIR/anonymous-higher-ranked-lifetime.rs:2:5
   3    |
   4 LL |     f1(|_: (), _: ()| {});
   5    |     ^^ -------------- found signature defined here
   6    |     |
   7    |     expected due to this
   8    |
   9    = note: expected closure signature `for<'a, 'b> fn(&'a (), &'b ()) -> _`
  10               found closure signature `fn((), ()) -> _`
  11 note: required by a bound in `f1`
  12   --> $DIR/anonymous-higher-ranked-lifetime.rs:16:25
  13    |
  14 LL | fn f1<F>(_: F) where F: Fn(&(), &()) {}
  15    |                         ^^^^^^^^^^^^ required by this bound in `f1`
  16 help: consider adjusting the signature so it borrows its arguments
  17    |
  18 LL |     f1(|_: &(), _: &()| {});
  19    |            +       +
  20
  21 error[E0631]: type mismatch in closure arguments
  22   --> $DIR/anonymous-higher-ranked-lifetime.rs:3:5
  23    |
  24 LL |     f2(|_: (), _: ()| {});
  25    |     ^^ -------------- found signature defined here
  26    |     |
  27    |     expected due to this
  28    |
  29    = note: expected closure signature `for<'a, 'b> fn(&'a (), &'b ()) -> _`
  30               found closure signature `fn((), ()) -> _`
  31 note: required by a bound in `f2`
  32   --> $DIR/anonymous-higher-ranked-lifetime.rs:17:25
  33    |
  34 LL | fn f2<F>(_: F) where F: for<'a> Fn(&'a (), &()) {}
  35    |                         ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `f2`
  36 help: consider adjusting the signature so it borrows its arguments
  37    |
  38 LL |     f2(|_: &(), _: &()| {});
  39    |            +       +
  40
  41 error[E0631]: type mismatch in closure arguments
  42   --> $DIR/anonymous-higher-ranked-lifetime.rs:4:5
  43    |
  44 LL |     f3(|_: (), _: ()| {});
  45    |     ^^ -------------- found signature defined here
  46    |     |
  47    |     expected due to this
  48    |
  49    = note: expected closure signature `for<'a> fn(&(), &'a ()) -> _`
  50               found closure signature `fn((), ()) -> _`
  51 note: required by a bound in `f3`
  52   --> $DIR/anonymous-higher-ranked-lifetime.rs:18:29
  53    |
  54 LL | fn f3<'a, F>(_: F) where F: Fn(&'a (), &()) {}
  55    |                             ^^^^^^^^^^^^^^^ required by this bound in `f3`
  56 help: consider adjusting the signature so it borrows its arguments
  57    |
  58 LL |     f3(|_: &(), _: &()| {});
  59    |            +       +
  60
  61 error[E0631]: type mismatch in closure arguments
  62   --> $DIR/anonymous-higher-ranked-lifetime.rs:5:5
  63    |
  64 LL |     f4(|_: (), _: ()| {});
  65    |     ^^ -------------- found signature defined here
  66    |     |
  67    |     expected due to this
  68    |
  69    = note: expected closure signature `for<'r, 'a> fn(&'a (), &'r ()) -> _`
  70               found closure signature `fn((), ()) -> _`
  71 note: required by a bound in `f4`
  72   --> $DIR/anonymous-higher-ranked-lifetime.rs:19:25
  73    |
  74 LL | fn f4<F>(_: F) where F: for<'r> Fn(&(), &'r ()) {}
  75    |                         ^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `f4`
  76 help: consider adjusting the signature so it borrows its arguments
  77    |
  78 LL |     f4(|_: &(), _: &()| {});
  79    |            +       +
  80
  81 error[E0631]: type mismatch in closure arguments
  82   --> $DIR/anonymous-higher-ranked-lifetime.rs:6:5
  83    |
  84 LL |     f5(|_: (), _: ()| {});
  85    |     ^^ -------------- found signature defined here
  86    |     |
  87    |     expected due to this
  88    |
  89    = note: expected closure signature `for<'r> fn(&'r (), &'r ()) -> _`
  90               found closure signature `fn((), ()) -> _`
  91 note: required by a bound in `f5`
  92   --> $DIR/anonymous-higher-ranked-lifetime.rs:20:25
  93    |
  94 LL | fn f5<F>(_: F) where F: for<'r> Fn(&'r (), &'r ()) {}
  95    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `f5`
  96 help: consider adjusting the signature so it borrows its arguments
  97    |
  98 LL |     f5(|_: &(), _: &()| {});
  99    |            +       +
 100
 101 error[E0631]: type mismatch in closure arguments
 102   --> $DIR/anonymous-higher-ranked-lifetime.rs:7:5
 103    |
 104 LL |     g1(|_: (), _: ()| {});
 105    |     ^^ -------------- found signature defined here
 106    |     |
 107    |     expected due to this
 108    |
 109    = note: expected closure signature `for<'a> fn(&'a (), Box<(dyn for<'a> Fn(&'a ()) + 'static)>) -> _`
 110               found closure signature `fn((), ()) -> _`
 111 note: required by a bound in `g1`
 112   --> $DIR/anonymous-higher-ranked-lifetime.rs:23:25
 113    |
 114 LL | fn g1<F>(_: F) where F: Fn(&(), Box<dyn Fn(&())>) {}
 115    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `g1`
 116 help: consider adjusting the signature so it borrows its argument
 117    |
 118 LL |     g1(|_: &(), _: ()| {});
 119    |            +
 120
 121 error[E0631]: type mismatch in closure arguments
 122   --> $DIR/anonymous-higher-ranked-lifetime.rs:8:5
 123    |
 124 LL |     g2(|_: (), _: ()| {});
 125    |     ^^ -------------- found signature defined here
 126    |     |
 127    |     expected due to this
 128    |
 129    = note: expected closure signature `for<'a> fn(&'a (), for<'a> fn(&'a ())) -> _`
 130               found closure signature `fn((), ()) -> _`
 131 note: required by a bound in `g2`
 132   --> $DIR/anonymous-higher-ranked-lifetime.rs:24:25
 133    |
 134 LL | fn g2<F>(_: F) where F: Fn(&(), fn(&())) {}
 135    |                         ^^^^^^^^^^^^^^^^ required by this bound in `g2`
 136 help: consider adjusting the signature so it borrows its argument
 137    |
 138 LL |     g2(|_: &(), _: ()| {});
 139    |            +
 140
 141 error[E0631]: type mismatch in closure arguments
 142   --> $DIR/anonymous-higher-ranked-lifetime.rs:9:5
 143    |
 144 LL |     g3(|_: (), _: ()| {});
 145    |     ^^ -------------- found signature defined here
 146    |     |
 147    |     expected due to this
 148    |
 149    = note: expected closure signature `for<'s> fn(&'s (), Box<(dyn for<'a> Fn(&'a ()) + 'static)>) -> _`
 150               found closure signature `fn((), ()) -> _`
 151 note: required by a bound in `g3`
 152   --> $DIR/anonymous-higher-ranked-lifetime.rs:25:25
 153    |
 154 LL | fn g3<F>(_: F) where F: for<'s> Fn(&'s (), Box<dyn Fn(&())>) {}
 155    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `g3`
 156 help: consider adjusting the signature so it borrows its argument
 157    |
 158 LL |     g3(|_: &(), _: ()| {});
 159    |            +
 160
 161 error[E0631]: type mismatch in closure arguments
 162   --> $DIR/anonymous-higher-ranked-lifetime.rs:10:5
 163    |
 164 LL |     g4(|_: (), _: ()| {});
 165    |     ^^ -------------- found signature defined here
 166    |     |
 167    |     expected due to this
 168    |
 169    = note: expected closure signature `for<'a> fn(&'a (), for<'r> fn(&'r ())) -> _`
 170               found closure signature `fn((), ()) -> _`
 171 note: required by a bound in `g4`
 172   --> $DIR/anonymous-higher-ranked-lifetime.rs:26:25
 173    |
 174 LL | fn g4<F>(_: F) where F: Fn(&(), for<'r> fn(&'r ())) {}
 175    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `g4`
 176 help: consider adjusting the signature so it borrows its argument
 177    |
 178 LL |     g4(|_: &(), _: ()| {});
 179    |            +
 180
 181 error[E0631]: type mismatch in closure arguments
 182   --> $DIR/anonymous-higher-ranked-lifetime.rs:11:5
 183    |
 184 LL |     h1(|_: (), _: (), _: (), _: ()| {});
 185    |     ^^ ---------------------------- found signature defined here
 186    |     |
 187    |     expected due to this
 188    |
 189    = note: expected closure signature `for<'a, 'b> fn(&'a (), Box<(dyn for<'a> Fn(&'a ()) + 'static)>, &'b (), for<'a, 'b> fn(&'a (), &'b ())) -> _`
 190               found closure signature `fn((), (), (), ()) -> _`
 191 note: required by a bound in `h1`
 192   --> $DIR/anonymous-higher-ranked-lifetime.rs:29:25
 193    |
 194 LL | fn h1<F>(_: F) where F: Fn(&(), Box<dyn Fn(&())>, &(), fn(&(), &())) {}
 195    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `h1`
 196 help: consider adjusting the signature so it borrows its arguments
 197    |
 198 LL |     h1(|_: &(), _: (), _: &(), _: ()| {});
 199    |            +              +
 200
 201 error[E0631]: type mismatch in closure arguments
 202   --> $DIR/anonymous-higher-ranked-lifetime.rs:12:5
 203    |
 204 LL |     h2(|_: (), _: (), _: (), _: ()| {});
 205    |     ^^ ---------------------------- found signature defined here
 206    |     |
 207    |     expected due to this
 208    |
 209    = note: expected closure signature `for<'t0, 'a> fn(&'a (), Box<(dyn for<'a> Fn(&'a ()) + 'static)>, &'t0 (), for<'a, 'b> fn(&'a (), &'b ())) -> _`
 210               found closure signature `fn((), (), (), ()) -> _`
 211 note: required by a bound in `h2`
 212   --> $DIR/anonymous-higher-ranked-lifetime.rs:30:25
 213    |
 214 LL | fn h2<F>(_: F) where F: for<'t0> Fn(&(), Box<dyn Fn(&())>, &'t0 (), fn(&(), &())) {}
 215    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `h2`
 216 help: consider adjusting the signature so it borrows its arguments
 217    |
 218 LL |     h2(|_: &(), _: (), _: &(), _: ()| {});
 219    |            +              +
 220
 221 error: aborting due to 11 previous errors
 222
 223 For more information about this error, try `rustc --explain E0631`.