custom struct comparison in Cairo 1

struct_comparison.cairo

#[derive(Drop)]
struct MyStruct {
    first_attribute: u8,
    second_attribute: u8,
}

impl MyStructPartialEq of PartialEq::<@MyStruct> {
    fn eq(a: @MyStruct, b: @MyStruct) -> bool {
        *a.first_attribute == *b.first_attribute & *a.second_attribute == *b.second_attribute
    }

    fn ne(a: @MyStruct, b: @MyStruct) -> bool {
        !(*a.first_attribute == *b.first_attribute & *a.second_attribute == *b.second_attribute)
    }
}

#[test]
fn test_struct_comparison() {
    let struct1 = @MyStruct { first_attribute: 0_u8, second_attribute: 1_u8 };
    let struct2 = @MyStruct { first_attribute: 0_u8, second_attribute: 1_u8 };

    assert(struct1 == struct2, 'structs are different');
}