Method index_mut

css-inline/src/html/document.rs:440–442

(&mut self, id: NodeId)

impl std::ops::IndexMut<NodeId> for Document {
    #[inline]
    fn index_mut(&mut self, id: NodeId) -> &mut Node {
        &mut self.nodes[id.get()]
    }
}

/// Extract a CSS identifier (class/id/tag name) from a byte slice.