mirror of https://github.com/rust-lang/rust
18 lines
815 B
Rust
18 lines
815 B
Rust
use std::cell::Cell;
|
|
|
|
const fn foo1() {}
|
|
const fn foo2(x: i32) -> i32 { x }
|
|
const fn foo3() -> i32 { 42 }
|
|
const fn foo4() -> Cell<i32> { Cell::new(42) }
|
|
const fn foo5() -> Option<Cell<i32>> { Some(Cell::new(42)) }
|
|
const fn foo6() -> Option<Cell<i32>> { None }
|
|
|
|
fn main() {
|
|
let x: &'static () = &foo1(); //~ ERROR temporary value dropped while borrowed
|
|
let y: &'static i32 = &foo2(42); //~ ERROR temporary value dropped while borrowed
|
|
let z: &'static i32 = &foo3(); //~ ERROR temporary value dropped while borrowed
|
|
let a: &'static Cell<i32> = &foo4(); //~ ERROR temporary value dropped while borrowed
|
|
let a: &'static Option<Cell<i32>> = &foo5(); //~ ERROR temporary value dropped while borrowed
|
|
let a: &'static Option<Cell<i32>> = &foo6(); //~ ERROR temporary value dropped while borrowed
|
|
}
|