gistfile1.rs

        let selected = match props.selected {
            Some(selected) => match serde_json::from_str::<Vec<ColorName>>(selected.as_str()) {
                Ok(selected) => selected.into_iter().map(|cn| cn.id.to_string()).collect(),
                _ => vec![],
            },
            _ => vec![],
        };
        let selected = props.selected.map_or(vec![], |s| {
            serde_json::from_str::<Vec<ColorName>>(s.as_str()).map_or(vec![], |s| {
                s.into_iter().map(|cn| cn.id.to_string()).collect()
            })
        });
        let selected = props
            .selected
            .map_or(Ok(vec![]), |s| {
                serde_json::from_str::<Vec<ColorName>>(s.as_str())
            })
            .unwrap_or(vec![])
            .iter()
            .map(|cn| cn.id.to_string())
            .collect();