Enum StreamChunk 

pub enum StreamChunk {
    Text(String),
    ToolUseStart {
        index: usize,
        id: String,
        name: String,
    },
    ToolUseInputDelta {
        index: usize,
        partial_json: String,
    },
    ToolUseComplete {
        index: usize,
        tool_call: ToolCall,
    },
    Done {
        stop_reason: String,
    },
}

A streaming chunk that can be either text or a tool call event.

Variants

Text(String)

Text content delta

ToolUseStart

Tool use block started (contains tool id and name)

Fields

index: usize

The index of this content block in the response

id: String

The unique ID for this tool use

name: String

The name of the tool being called

ToolUseInputDelta

Tool use input JSON delta (partial JSON string)

Fields

index: usize

The index of this content block

partial_json: String

Partial JSON string for the tool input

ToolUseComplete

Tool use block complete with assembled ToolCall

Fields

index: usize

The index of this content block

tool_call: ToolCall

The complete tool call with id, name, and parsed arguments

Done

Stream ended with stop reason

Fields

stop_reason: String

The reason the stream stopped (e.g., “end_turn”, “tool_use”)

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.