Struct BranchingHistory 

pub struct BranchingHistory {
    pub nodes: HashMap<u64, HistoryNode>,
    pub current_id: Option<u64>,
    pub next_id: u64,
}

Fields

nodes: HashMap<u64, HistoryNode>

current_id: Option<u64>

next_id: u64

Implementations

impl BranchingHistory

pub fn new() -> Self

pub fn push(&mut self, snapshot: ModelSnapshot, label: &str) -> u64

pub fn undo(&mut self) -> Option<&ModelSnapshot>

pub fn redo_to(&mut self, child_id: u64) -> Option<&ModelSnapshot>

pub fn list_children(&self) -> Vec<(u64, &str)>

pub fn path_to_root(&self) -> Vec<u64>

pub fn branch_count(&self) -> usize