rust/tests/ui/borrowck/ice-mutability-error-slicing-121807.rs
Matthias Krüger bdafec33d5 add test for #121807
Fixes #121807
2024-03-21 21:27:37 +01:00

28 lines
996 B
Rust

//@ edition:2015
// test for ICE #121807 begin <= end (12 <= 11) when slicing 'Self::Assoc<'_>'
// fixed by #122749
trait MemoryUnit { // ERROR: not all trait items implemented, missing: `read_word`
extern "C" fn read_word(&mut self) -> u8;
extern "C" fn read_dword(Self::Assoc<'_>) -> u16;
//~^ WARN anonymous parameters are deprecated and will be removed in the next edition
//~^^ WARN this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
//~^^^ ERROR associated type `Assoc` not found for `Self`
}
struct ROM {}
impl MemoryUnit for ROM {
//~^ ERROR not all trait items implemented, missing: `read_word`
extern "C" fn read_dword(&'s self) -> u16 {
//~^ ERROR use of undeclared lifetime name `'s`
//~^^ ERROR method `read_dword` has a `&self` declaration in the impl, but not in the trait
let a16 = self.read_word() as u16;
let b16 = self.read_word() as u16;
(b16 << 8) | a16
}
}
pub fn main() {}