Struct ChatChunk 

pub struct ChatChunk {
    pub delta_content: Option<String>,
    pub delta_tool_calls: Vec<ToolCallChunk>,
    pub finish_reason: Option<String>,
    pub usage: Option<UsageMetadata>,
}

A single chunk of streaming output from a chat model.

Fields

delta_content: Option<String>

Incremental text content.

delta_tool_calls: Vec<ToolCallChunk>

Incremental tool call data.

finish_reason: Option<String>

Finish reason, if generation is complete.

usage: Option<UsageMetadata>

Usage statistics, if provided.

Implementations

impl ChatChunk

pub fn merge(&mut self, other: &Self)

Merges another chunk into this one.

Concatenates content, merges tool calls by index, and takes the last non-None finish reason and usage.

Trait Implementations

impl Clone for ChatChunk

fn clone(&self) -> ChatChunk

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ChatChunk

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

Formats the value using the given formatter.

impl Default for ChatChunk

fn default() -> ChatChunk

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for ChatChunk

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ChatChunk

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

where __S: Serializer,

Serialize this value into the given Serde serializer.