Struct History 

pub struct History { /* private fields */ }

The history value table: for each history state, the states recorded when its parent was last exited, or None when it was never exited.

Implementations

impl History

pub fn new(n: usize) -> Self

An empty table for a chart of n states.

pub fn get(&self, h: StateIdx) -> Option<&StateSet>

The recorded value of history state h.

pub fn set(&mut self, h: StateIdx, value: StateSet)

Record a value for history state h.

Trait Implementations

impl Clone for History

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for History

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for History

fn default() -> Self

Returns the “default value” for a type.

impl Eq for History

impl PartialEq for History

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for History