src/test/ui/unsized/unsized3.stderr

   1 error[E0277]: the size for values of type `X` cannot be known at compilation time
   2   --> $DIR/unsized3.rs:7:13
   3    |
   4 LL | fn f1<X: ?Sized>(x: &X) {
   5    |       - this type parameter needs to be `std::marker::Sized`
   6 LL |     f2::<X>(x);
   7    |     ------- ^ doesn't have a size known at compile-time
   8    |     |
   9    |     required by a bound introduced by this call
  10    |
  11 note: required by a bound in `f2`
  12   --> $DIR/unsized3.rs:10:7
  13    |
  14 LL | fn f2<X>(x: &X) {
  15    |       ^ required by this bound in `f2`
  16 help: consider removing the `?Sized` bound to make the type parameter `Sized`
  17    |
  18 LL - fn f1<X: ?Sized>(x: &X) {
  19 LL + fn f1<X>(x: &X) {
  20    |
  21 help: consider relaxing the implicit `Sized` restriction
  22    |
  23 LL | fn f2<X: ?Sized>(x: &X) {
  24    |        ++++++++
  25
  26 error[E0277]: the size for values of type `X` cannot be known at compilation time
  27   --> $DIR/unsized3.rs:18:13
  28    |
  29 LL | fn f3<X: ?Sized + T>(x: &X) {
  30    |       - this type parameter needs to be `std::marker::Sized`
  31 LL |     f4::<X>(x);
  32    |     ------- ^ doesn't have a size known at compile-time
  33    |     |
  34    |     required by a bound introduced by this call
  35    |
  36 note: required by a bound in `f4`
  37   --> $DIR/unsized3.rs:21:7
  38    |
  39 LL | fn f4<X: T>(x: &X) {
  40    |       ^ required by this bound in `f4`
  41 help: consider removing the `?Sized` bound to make the type parameter `Sized`
  42    |
  43 LL - fn f3<X: ?Sized + T>(x: &X) {
  44 LL + fn f3<X: T>(x: &X) {
  45    |
  46 help: consider relaxing the implicit `Sized` restriction
  47    |
  48 LL | fn f4<X: T + ?Sized>(x: &X) {
  49    |            ++++++++
  50
  51 error[E0277]: the size for values of type `X` cannot be known at compilation time
  52   --> $DIR/unsized3.rs:33:8
  53    |
  54 LL | fn f8<X: ?Sized>(x1: &S<X>, x2: &S<X>) {
  55    |       - this type parameter needs to be `std::marker::Sized`
  56 LL |     f5(x1);
  57    |     -- ^^ doesn't have a size known at compile-time
  58    |     |
  59    |     required by a bound introduced by this call
  60    |
  61 note: required because it appears within the type `S<X>`
  62   --> $DIR/unsized3.rs:28:8
  63    |
  64 LL | struct S<X: ?Sized> {
  65    |        ^
  66 note: required by a bound in `f5`
  67   --> $DIR/unsized3.rs:24:7
  68    |
  69 LL | fn f5<Y>(x: &Y) {}
  70    |       ^ required by this bound in `f5`
  71 help: consider removing the `?Sized` bound to make the type parameter `Sized`
  72    |
  73 LL - fn f8<X: ?Sized>(x1: &S<X>, x2: &S<X>) {
  74 LL + fn f8<X>(x1: &S<X>, x2: &S<X>) {
  75    |
  76 help: consider relaxing the implicit `Sized` restriction
  77    |
  78 LL | fn f5<Y: ?Sized>(x: &Y) {}
  79    |        ++++++++
  80
  81 error[E0277]: the size for values of type `X` cannot be known at compilation time
  82   --> $DIR/unsized3.rs:40:8
  83    |
  84 LL | fn f9<X: ?Sized>(x1: Box<S<X>>) {
  85    |       - this type parameter needs to be `std::marker::Sized`
  86 LL |     f5(&(*x1, 34));
  87    |     -- ^^^^^^^^^^ doesn't have a size known at compile-time
  88    |     |
  89    |     required by a bound introduced by this call
  90    |
  91 note: required because it appears within the type `S<X>`
  92   --> $DIR/unsized3.rs:28:8
  93    |
  94 LL | struct S<X: ?Sized> {
  95    |        ^
  96    = note: only the last element of a tuple may have a dynamically sized type
  97 help: consider removing the `?Sized` bound to make the type parameter `Sized`
  98    |
  99 LL - fn f9<X: ?Sized>(x1: Box<S<X>>) {
 100 LL + fn f9<X>(x1: Box<S<X>>) {
 101    |
 102
 103 error[E0277]: the size for values of type `X` cannot be known at compilation time
 104   --> $DIR/unsized3.rs:45:8
 105    |
 106 LL | fn f10<X: ?Sized>(x1: Box<S<X>>) {
 107    |        - this type parameter needs to be `std::marker::Sized`
 108 LL |     f5(&(32, *x1));
 109    |     -- ^^^^^^^^^^ doesn't have a size known at compile-time
 110    |     |
 111    |     required by a bound introduced by this call
 112    |
 113 note: required because it appears within the type `S<X>`
 114   --> $DIR/unsized3.rs:28:8
 115    |
 116 LL | struct S<X: ?Sized> {
 117    |        ^
 118    = note: required because it appears within the type `({integer}, S<X>)`
 119    = note: tuples must have a statically known size to be initialized
 120 help: consider removing the `?Sized` bound to make the type parameter `Sized`
 121    |
 122 LL - fn f10<X: ?Sized>(x1: Box<S<X>>) {
 123 LL + fn f10<X>(x1: Box<S<X>>) {
 124    |
 125
 126 error: aborting due to 5 previous errors
 127
 128 For more information about this error, try `rustc --explain E0277`.