//! > Handling question mark.
//! > test_function_name
get_diagnostics
//! > cairo_code
fn f() {
let x = calc()?;
let y = calc1(calc2()?)?;
let z = w?;
let block_eval = { other_expr }?;
let block_eval = 7 + { other_expr };
let multi = error_of_errors????;
let super_expr = (a? + b?)?;
}
//! > expected_diagnostics