| error[E0277]: the size for values of type `Y` cannot be known at compilation time |
| --> $DIR/unsized6.rs:9:9 |
| | |
| LL | fn f1<W: ?Sized, X: ?Sized, Y: ?Sized, Z: ?Sized>(x: &X) { |
| | - this type parameter needs to be `std::marker::Sized` |
| ... |
| LL | let y: Y; |
| | ^ doesn't have a size known at compile-time |
| | |
| = note: all local variables must have a statically known size |
| = help: unsized locals are gated as an unstable feature |
| |
| error[E0277]: the size for values of type `X` cannot be known at compilation time |
| --> $DIR/unsized6.rs:7:12 |
| | |
| LL | fn f1<W: ?Sized, X: ?Sized, Y: ?Sized, Z: ?Sized>(x: &X) { |
| | - this type parameter needs to be `std::marker::Sized` |
| LL | let _: W; // <-- this is OK, no bindings created, no initializer. |
| LL | let _: (isize, (X, isize)); |
| | ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time |
| | |
| = note: only the last element of a tuple may have a dynamically sized type |
| |
| error[E0277]: the size for values of type `Z` cannot be known at compilation time |
| --> $DIR/unsized6.rs:11:12 |
| | |
| LL | fn f1<W: ?Sized, X: ?Sized, Y: ?Sized, Z: ?Sized>(x: &X) { |
| | - this type parameter needs to be `std::marker::Sized` |
| ... |
| LL | let y: (isize, (Z, usize)); |
| | ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time |
| | |
| = note: only the last element of a tuple may have a dynamically sized type |
| |
| error[E0277]: the size for values of type `X` cannot be known at compilation time |
| --> $DIR/unsized6.rs:15:9 |
| | |
| LL | fn f2<X: ?Sized, Y: ?Sized>(x: &X) { |
| | - this type parameter needs to be `std::marker::Sized` |
| LL | let y: X; |
| | ^ doesn't have a size known at compile-time |
| | |
| = note: all local variables must have a statically known size |
| = help: unsized locals are gated as an unstable feature |
| |
| error[E0277]: the size for values of type `Y` cannot be known at compilation time |
| --> $DIR/unsized6.rs:17:12 |
| | |
| LL | fn f2<X: ?Sized, Y: ?Sized>(x: &X) { |
| | - this type parameter needs to be `std::marker::Sized` |
| ... |
| LL | let y: (isize, (Y, isize)); |
| | ^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time |
| | |
| = note: only the last element of a tuple may have a dynamically sized type |
| |
| error[E0277]: the size for values of type `X` cannot be known at compilation time |
| --> $DIR/unsized6.rs:22:9 |
| | |
| LL | fn f3<X: ?Sized>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { |
| | - this type parameter needs to be `std::marker::Sized` |
| LL | let y: X = *x1; |
| | ^ doesn't have a size known at compile-time |
| | |
| = note: all local variables must have a statically known size |
| = help: unsized locals are gated as an unstable feature |
| |
| error[E0277]: the size for values of type `X` cannot be known at compilation time |
| --> $DIR/unsized6.rs:24:9 |
| | |
| LL | fn f3<X: ?Sized>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { |
| | - this type parameter needs to be `std::marker::Sized` |
| ... |
| LL | let y = *x2; |
| | ^ doesn't have a size known at compile-time |
| | |
| = note: all local variables must have a statically known size |
| = help: unsized locals are gated as an unstable feature |
| |
| error[E0277]: the size for values of type `X` cannot be known at compilation time |
| --> $DIR/unsized6.rs:26:10 |
| | |
| LL | fn f3<X: ?Sized>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { |
| | - this type parameter needs to be `std::marker::Sized` |
| ... |
| LL | let (y, z) = (*x3, 4); |
| | ^ doesn't have a size known at compile-time |
| | |
| = note: all local variables must have a statically known size |
| = help: unsized locals are gated as an unstable feature |
| |
| error[E0277]: the size for values of type `X` cannot be known at compilation time |
| --> $DIR/unsized6.rs:30:9 |
| | |
| LL | fn f4<X: ?Sized + T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { |
| | - this type parameter needs to be `std::marker::Sized` |
| LL | let y: X = *x1; |
| | ^ doesn't have a size known at compile-time |
| | |
| = note: all local variables must have a statically known size |
| = help: unsized locals are gated as an unstable feature |
| |
| error[E0277]: the size for values of type `X` cannot be known at compilation time |
| --> $DIR/unsized6.rs:32:9 |
| | |
| LL | fn f4<X: ?Sized + T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { |
| | - this type parameter needs to be `std::marker::Sized` |
| ... |
| LL | let y = *x2; |
| | ^ doesn't have a size known at compile-time |
| | |
| = note: all local variables must have a statically known size |
| = help: unsized locals are gated as an unstable feature |
| |
| error[E0277]: the size for values of type `X` cannot be known at compilation time |
| --> $DIR/unsized6.rs:34:10 |
| | |
| LL | fn f4<X: ?Sized + T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { |
| | - this type parameter needs to be `std::marker::Sized` |
| ... |
| LL | let (y, z) = (*x3, 4); |
| | ^ doesn't have a size known at compile-time |
| | |
| = note: all local variables must have a statically known size |
| = help: unsized locals are gated as an unstable feature |
| |
| error[E0277]: the size for values of type `X` cannot be known at compilation time |
| --> $DIR/unsized6.rs:38:18 |
| | |
| LL | fn g1<X: ?Sized>(x: X) {} |
| | - ^ doesn't have a size known at compile-time |
| | | |
| | this type parameter needs to be `std::marker::Sized` |
| | |
| = help: unsized fn params are gated as an unstable feature |
| help: function arguments must have a statically known size, borrowed types always have a known size |
| | |
| LL | fn g1<X: ?Sized>(&x: X) {} |
| | ^ |
| |
| error[E0277]: the size for values of type `X` cannot be known at compilation time |
| --> $DIR/unsized6.rs:40:22 |
| | |
| LL | fn g2<X: ?Sized + T>(x: X) {} |
| | - ^ doesn't have a size known at compile-time |
| | | |
| | this type parameter needs to be `std::marker::Sized` |
| | |
| = help: unsized fn params are gated as an unstable feature |
| help: function arguments must have a statically known size, borrowed types always have a known size |
| | |
| LL | fn g2<X: ?Sized + T>(&x: X) {} |
| | ^ |
| |
| error: aborting due to 13 previous errors |
| |
| For more information about this error, try `rustc --explain E0277`. |