Enum StreamEvent 

pub enum StreamEvent {
    TextDelta(String),
    ThinkingDelta(String),
    SignatureDelta(String),
    ToolUseStart {
        id: String,
        name: String,
    },
    ToolUseInputDelta {
        id: String,
        delta: String,
    },
    ToolUseEnd {
        id: String,
    },
    MessageComplete(Message),
    Usage(TokenUsage),
    Error(StreamError),
}

An event emitted during streaming completion.

Variants

TextDelta(String)

Incremental text content.

ThinkingDelta(String)

Incremental thinking/reasoning content.

SignatureDelta(String)

Incremental signature content for thinking verification.

ToolUseStart

A tool use block has started.

Fields

id: String

Tool call identifier.

name: String

Tool name.

ToolUseInputDelta

Incremental tool input JSON.

Fields

id: String

Tool call identifier (matches ToolUseStart.id).

delta: String

JSON fragment.

ToolUseEnd

A tool use block has ended.

Fields

id: String

Tool call identifier.

MessageComplete(Message)

The complete assembled message (sent at the end of the stream).

Usage(TokenUsage)

Token usage statistics for the stream.

Error(StreamError)

An error occurred during streaming.

Trait Implementations

impl Clone for StreamEvent

fn clone(&self) -> StreamEvent

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StreamEvent

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

Formats the value using the given formatter.