bokuweb

related https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/3419602/

Ah..I see. We may need to use `withoutSaving` when set `selectionColor`.

``` Rust #[derive(Raiden)] struct Foo { id: String #[raiden(from_attr_fn(custom_fn))] greeting: String } impl Foo { fn custom_attr_fn(value: Option) -> Result { // ... convert attribute to String } } ```

I'd like to add from_attr_map_fn like following too. ``` Rust #[derive(Raiden)] struct Foo { id: String #[raiden(from_attr_map_fn(custom_fn))] greeting: String } impl Foo { fn custom_attr_map_fn(map: &HashMap) -> Result { //...