Struct Breadcrumb 

pub struct Breadcrumb { /* private fields */ }

Tracks the workflow journey through different states.

Displays a breadcrumb trail showing completed and current states: Journey: Story → Review → Correct → Review

• Completed states are shown in green
• Current state is shown in yellow
• Future states are not shown

Implementations

impl Breadcrumb

pub fn new() -> Self

Create a new empty breadcrumb trail

pub fn reset(&mut self)

Reset the breadcrumb trail (used at start of each new story)

pub fn enter_state(&mut self, state: BreadcrumbState)

Enter a new state, marking any current state as completed

pub fn complete_current(&mut self)

Mark current state as completed without entering a new one

pub fn completed_states(&self) -> &[BreadcrumbState]

Get the list of completed states

pub fn current_state(&self) -> Option<&BreadcrumbState>

Get the current state if any

pub fn is_empty(&self) -> bool

Check if the breadcrumb trail is empty

pub fn render(&self, max_width: Option<usize>) -> String

Render the breadcrumb trail as a colored string.

Format: Journey: Story → Review → Correct → Review

• Completed states in green
• Current state in yellow
• Uses → separator in gray/dim color
• Truncates with ... if too long for terminal

pub fn print(&self)

Print the breadcrumb trail to stdout if it’s not empty

Trait Implementations

impl Clone for Breadcrumb

fn clone(&self) -> Breadcrumb

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Breadcrumb

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

Formats the value using the given formatter.

impl Default for Breadcrumb

fn default() -> Breadcrumb

Returns the “default value” for a type.