//! TreeViewState::expand method.
usecrate::primitives::tree_view::tree_view_state::TreeViewState;implTreeViewState{/// Expands a node at the given path.
////// # Arguments
////// * `path` - The path to the node to expand.
////// # Example
////// ```rust
/// use ratatui_toolkit::tree_view::TreeViewState;
////// let mut state = TreeViewState::new();
/// state.expand(vec![0]);
/// assert!(state.is_expanded(&[0]));
/// ```
pubfnexpand(&mutself, path:Vec<usize>){self.expanded.insert(path);}}