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Diffstat (limited to 'src/test/ui/unsized/unsized6.stderr')
| -rw-r--r-- | src/test/ui/unsized/unsized6.stderr | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/test/ui/unsized/unsized6.stderr b/src/test/ui/unsized/unsized6.stderr new file mode 100644 index 000000000..011f2b426 --- /dev/null +++ b/src/test/ui/unsized/unsized6.stderr @@ -0,0 +1,222 @@ +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 +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn f1<W: ?Sized, X: ?Sized, Y: ?Sized, Z: ?Sized>(x: &X) { +LL + fn f1<W: ?Sized, X: ?Sized, Y, Z: ?Sized>(x: &X) { + | + +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 +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn f1<W: ?Sized, X: ?Sized, Y: ?Sized, Z: ?Sized>(x: &X) { +LL + fn f1<W: ?Sized, X, Y: ?Sized, Z: ?Sized>(x: &X) { + | + +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 +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn f1<W: ?Sized, X: ?Sized, Y: ?Sized, Z: ?Sized>(x: &X) { +LL + fn f1<W: ?Sized, X: ?Sized, Y: ?Sized, Z>(x: &X) { + | + +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 +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn f2<X: ?Sized, Y: ?Sized>(x: &X) { +LL + fn f2<X, Y: ?Sized>(x: &X) { + | + +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 +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn f2<X: ?Sized, Y: ?Sized>(x: &X) { +LL + fn f2<X: ?Sized, Y>(x: &X) { + | + +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 +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn f3<X: ?Sized>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { +LL + fn f3<X>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { + | + +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 +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn f3<X: ?Sized>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { +LL + fn f3<X>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { + | + +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 +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn f3<X: ?Sized>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { +LL + fn f3<X>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { + | + +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 +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn f4<X: ?Sized + T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { +LL + fn f4<X: T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { + | + +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 +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn f4<X: ?Sized + T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { +LL + fn f4<X: T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { + | + +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 +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn f4<X: ?Sized + T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { +LL + fn f4<X: T>(x1: Box<X>, x2: Box<X>, x3: Box<X>) { + | + +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: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn g1<X: ?Sized>(x: X) {} +LL + fn g1<X>(x: X) {} + | +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: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - fn g2<X: ?Sized + T>(x: X) {} +LL + fn g2<X: T>(x: X) {} + | +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`. |