Enum StreamEvent 

pub enum StreamEvent {
    TextDelta {
        index: usize,
        text: String,
    },
    InputJsonDelta {
        index: usize,
        partial_json: String,
    },
    ContentBlockStop {
        index: usize,
    },
    MessageDelta {
        status: ResponseStatus,
        usage: TokenUsage,
    },
    MessageDone,
}

Incremental event emitted during SSE streaming.

Events within a single response arrive in order and reference the content block they belong to via index. A stream ends with MessageDone.

Variants

TextDelta

Appended text for the text block at index.

Fields

index: usize

text: String

InputJsonDelta

Partial JSON fragment for the tool-use block at index. Concatenate the fragments across deltas to reconstruct the full tool input; intermediate chunks are not valid JSON.

Fields

index: usize

partial_json: String

ContentBlockStop

The content block at index is complete; no further deltas will target it.

Fields

index: usize

MessageDelta

Final status and cumulative token usage for the response. Emitted after all content blocks.

Fields

status: ResponseStatus

usage: TokenUsage

MessageDone

End of stream. No further events follow.

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.