pub fn fold_with_option_value<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: WithOptionValue<T>,
) -> WithOptionValue<T2>
pub fn fold_with_option_value<F, T: AstInfo, T2: AstInfo>(
folder: &mut F,
node: WithOptionValue<T>,
) -> WithOptionValue<T2>