macro_rules! push_error {
    ($value:expr, $errors:expr) => {
        match $value {
            Err(error) => { $errors.push(error); None },
            Ok(value) => Some(value)
        }
    };
    ($value:expr, $errors:expr, $path:expr) => {
        match $value {
            Err(error) => { $errors.push(error.with_path($path)); None },
            Ok(value) => Some(value)
        }
    };
}

macro_rules! append_errors {
    ($value:expr, $errors:expr) => {
        match $value {
            Err(mut err) => { $errors.append(&mut err); None },
            Ok(value) => Some(value)
        }
    };
    ($value:expr, $errors:expr, $path:expr) => {
        match $value {
            Err(err) => { $errors.extend(err.into_iter().map(|e| {
                e.with_path($path)
            })); None },
            Ok(value) => Some(value)
        }
    };
}


pub(crate) use append_errors;
pub(crate) use push_error;