//@edition:2021 fn foo() { const { return } //~^ ERROR: return statement outside of function body } fn labelled_block_break() { 'a: { const { break 'a } } //~^ ERROR: `break` outside of a loop or labeled block //~| ERROR: use of unreachable label } fn loop_break() { loop { const { break } //~^ ERROR: `break` outside of a loop or labeled block } } fn continue_to_labelled_block() { 'a: { const { continue 'a } } //~^ ERROR: `continue` outside of a loop //~| ERROR: use of unreachable label } fn loop_continue() { loop { const { continue } //~^ ERROR: `continue` outside of a loop } } async fn await_across_const_block() { const { async {}.await } //~^ ERROR: `await` is only allowed inside `async` functions and blocks } fn reference_to_non_constant_in_const_block() { let x = 1; const { &x }; //~^ ERROR: attempt to use a non-constant value in a constant } fn main() {}