Struct TurnUsage 

pub struct TurnUsage {
    pub prompt_tokens: u32,
    pub completion_tokens: u32,
    pub cache_read_tokens: u32,
    pub cache_creation_tokens: u32,
}

Token usage reported at the end of an LLM call.

Fields

prompt_tokens: u32

Number of tokens consumed by the prompt (input messages).

completion_tokens: u32

Number of tokens generated by the model (output/response).

cache_read_tokens: u32

Prompt tokens served from the provider’s cache.

cache_creation_tokens: u32

Prompt tokens written to the provider’s cache.

Trait Implementations

impl Clone for TurnUsage

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for TurnUsage

impl Debug for TurnUsage

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

Formats the value using the given formatter.

impl Default for TurnUsage

fn default() -> Self

Returns the “default value” for a type.

impl From<TurnUsage> for TokenUsage

fn from(u: TurnUsage) -> Self

Converts to this type from the input type.