Struct TokenBudget 

pub struct TokenBudget {
    pub max_tokens: usize,
}

Keep leading system message(s), then walk from the newest message backward accumulating token counts, keeping messages until adding the next would exceed max_tokens. Returns the kept messages in original order. Mirrors upstream’s ContextWindow/token-budget strategy.

Fields

max_tokens: usize

Implementations

impl TokenBudget

pub fn new(max_tokens: usize) -> TokenBudget

Trait Implementations

impl Clone for TokenBudget

fn clone(&self) -> TokenBudget

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl CompactionStrategy for TokenBudget

fn compact( &self, messages: &[Message], tokenizer: &dyn Tokenizer, ) -> Vec<Message>

Return the retained messages (in original order) after compaction.

impl Copy for TokenBudget

impl Debug for TokenBudget

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

Formats the value using the given formatter.