Struct Usage 

pub struct Usage {
    pub input_tokens: usize,
    pub output_tokens: usize,
    pub cache_creation_input_tokens: Option<usize>,
    pub cache_read_input_tokens: Option<usize>,
}

Token usage information from Anthropic API response

Fields

input_tokens: usize

The number of input tokens used

output_tokens: usize

The number of output tokens generated

cache_creation_input_tokens: Option<usize>

The number of input tokens used to create the cache entry

cache_read_input_tokens: Option<usize>

The number of input tokens read from the cache

Implementations

impl Usage

pub fn new(input_tokens: usize, output_tokens: usize) -> Self

Create a new Usage instance

pub fn total_tokens(&self) -> usize

Get total tokens (input + output)

pub fn cached_tokens(&self) -> usize

Get total cached tokens

Trait Implementations

impl Clone for Usage

fn clone(&self) -> Usage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Usage

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

Formats the value using the given formatter.

impl Default for Usage

fn default() -> Usage

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Usage

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Usage

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.