fn test_match_in_map_init() {
    ret := foo()
    println(ret)
    assert ret == {
        'token': 'a'
        'sleep': '30'
        'every': '1'
    }
}

fn foo() map[string]string {
    mut cfg := map[string][]string{}
    cfg['token'] = ['a', 'b']
    cfg['sleep'] = ['30', '60']
    cfg['every'] = ['1', '5']

    return {
        'token': cfg['token'][0]
        'sleep': match cfg['sleep'][0].len {
            0 { '60' }
            else { cfg['sleep'][0] }
        }
        'every': match cfg['every'][0].len {
            0 { '5' }
            else { cfg['every'][0] }
        }
    }
}