Struct ScopeHistory 

pub struct ScopeHistory { /* private fields */ }

Scope history with persistence

Implementations

impl ScopeHistory

pub fn load() -> Result<Self, HistoryError>

Load history for the current repository

Errors

Returns an error if:

• Base directories cannot be determined
• Git directory cannot be found (not in a git repository)
• History file exists but cannot be read or parsed

Trait Implementations

impl Default for ScopeHistory

fn default() -> Self

Returns the “default value” for a type.

impl History<String> for ScopeHistory

fn read(&self, pos: usize) -> Option<String>

This is called with the current position that should be read from history. The pos represents the number of times the Up/Down arrow key has been pressed. This would normally be used as an index to some sort of vector. If the pos does not have an entry, None should be returned.

fn write(&mut self, val: &String)

This is called with the next value you should store in history at the first location. Normally history is implemented as a FIFO queue.