Enum StreamChunk 

pub enum StreamChunk {
    Content(String),
    Thinking(String),
    Compaction(String),
    ToolUse(Vec<ToolUseRequest>),
}

A chunk from an LLM streaming response.

Variants

Content(String)

Regular response text.

Thinking(String)

Internal reasoning/thinking token (e.g. Claude extended thinking, OpenAI reasoning).

Compaction(String)

Server-side compaction summary (Claude compact-2026-01-12 beta). Delivered when the Claude API automatically summarizes conversation history.

ToolUse(Vec<ToolUseRequest>)

One or more tool calls from the model received during streaming.

Trait Implementations

impl Clone for StreamChunk

fn clone(&self) -> StreamChunk

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StreamChunk

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

Formats the value using the given formatter.