Method xget_ref

flow-message/src/cross/map.rs:62–64

(&'a self, key: &str)

impl<'a> IndexGetRef<'a, str, MapRef<'a>> for Map {
    fn xget_ref(&'a self, key: &str) -> Option<MapRef<'a>> {
        self.as_ref().get(key).map(MapRef::new)
    }
}

#[cfg(test)]