rust/tests/ui/iterators/collect-into-slice.rs

24 lines
1.0 KiB
Rust

fn process_slice(data: &[i32]) {
todo!()
}
fn main() {
let some_generated_vec = (0..10).collect();
//~^ ERROR the size for values of type `[i32]` cannot be known at compilation time
//~| ERROR the size for values of type `[i32]` cannot be known at compilation time
//~| ERROR a slice of type `[i32]` cannot be built since `[i32]` has no definite size
//~| NOTE try explicitly collecting into a `Vec<{integer}>`
//~| NOTE required by an implicit `Sized` bound in `collect`
//~| NOTE required by a bound in `collect`
//~| NOTE all local variables must have a statically known size
//~| NOTE doesn't have a size known at compile-time
//~| NOTE doesn't have a size known at compile-time
process_slice(&some_generated_vec);
let some_generated_vec = (0..10).collect();
//~^ ERROR a slice of type `&[i32]` cannot be built since we need to store the elements somewhere
//~| NOTE try explicitly collecting into a `Vec<{integer}>`
//~| NOTE required by a bound in `collect`
process_slice(some_generated_vec);
}