Enum StreamEvent 

pub enum StreamEvent {
    TextDelta(String),
    ToolUse(ToolUseBlock),
    ThinkingDelta(String),
    ContentBlock(ContentBlock),
    Stop {
        stop_reason: StopReason,
        usage: Option<TokenUsage>,
    },
}

Events from streaming model responses

Variants

TextDelta(String)

Incremental text delta

ToolUse(ToolUseBlock)

Tool use detected

ThinkingDelta(String)

Incremental thinking delta (extended thinking)

ContentBlock(ContentBlock)

A complete content block for conversation replay, in provider order. Providers emitting this event must emit every block, including text and tools. TextDelta/ToolUse remain available for existing streaming consumers.

Stop

Streaming stopped

Fields

stop_reason: StopReason

Why the model stopped

usage: Option<TokenUsage>

Token usage for this response (if available)

Trait Implementations

impl Clone for StreamEvent

fn clone(&self) -> Self

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.