Struct InputHistory 

pub struct InputHistory { /* private fields */ }

Input history with navigation support

Implementations

impl InputHistory

pub fn new() -> Self

Create a new empty history

pub fn with_max_size(max_size: usize) -> Self

Create a new history with custom max size

pub fn add(&mut self, text: &str)

Add a new entry to history

• Ignores empty strings
• Ignores duplicates of the most recent entry
• Truncates to max_size if needed

pub fn navigate_up(&mut self, current_draft: &str) -> Option<&str>

Navigate to previous (older) entry

Returns the entry at the new position, or None if at the oldest Saves current draft before navigation starts

pub fn navigate_down(&mut self) -> Option<&str>

Navigate to next (newer) entry

Returns the entry at the new position, or restores draft if at newest

pub fn current(&self) -> Option<&str>

Get current entry (if navigating)

pub fn is_navigating(&self) -> bool

Check if currently navigating history

pub fn saved_draft(&self) -> Option<&str>

Get saved draft (text before navigation started)

pub fn reset_navigation(&mut self)

Reset navigation state

pub fn len(&self) -> usize

Get number of entries

pub fn is_empty(&self) -> bool

Check if history is empty

pub fn entries(&self) -> &[String]

Get all entries (for debugging)

pub fn load(path: &PathBuf) -> Result<Self, String>

Load history from file

pub fn save(&self, path: &PathBuf) -> Result<(), String>

Save history to file

pub fn clear(&mut self)

Clear all history

Trait Implementations

impl Clone for InputHistory

fn clone(&self) -> InputHistory

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for InputHistory

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

Formats the value using the given formatter.

impl Default for InputHistory

fn default() -> Self

Returns the “default value” for a type.