Macro build_array_from_option 

macro_rules! build_array_from_option {
    ($DATA_TYPE:ident, $ARRAY_TYPE:ident, $EXPR:expr, $SIZE:expr) => { ... };
    ($DATA_TYPE:ident, $ENUM:expr, $ARRAY_TYPE:ident, $EXPR:expr, $SIZE:expr) => { ... };
}