rust/tests/ui/dst/dst-bad-deep-2.rs
2023-01-11 09:32:08 +00:00

13 lines
451 B
Rust

// Try to initialise a DST struct where the lost information is deeply nested.
// This is an error because it requires an unsized rvalue. This is a problem
// because it would require stack allocation of an unsized temporary (*g in the
// test).
#![feature(unsized_tuple_coercion)]
pub fn main() {
let f: ([isize; 3],) = ([5, 6, 7],);
let g: &([isize],) = &f;
let h: &(([isize],),) = &(*g,);
//~^ ERROR the size for values of type
}