Function rune_native::rune_error_to_string_verbose

#[no_mangle]
pub unsafe extern "C" fn rune_error_to_string_verbose(
    e: *const Error
) -> *mut c_char

Print the error, plus any errors that may have caused it.

If the RUST_BACKTRACE environment variable is set, this will also include a backtrace from where the error was first created.

Note: It is the caller’s responsibility to free this string afterwards.