Enum LanguageModelStreamChunkType 

pub enum LanguageModelStreamChunkType {
    Start,
    Text(String),
    Reasoning(String),
    ToolCall(String),
    End(AssistantMessage),
    Failed(String),
    Incomplete(String),
    NotSupported(String),
}

Types of chunks that can be emitted during streaming text generation.

Variants

Start

Indicates the start of generation.

Text(String)

A chunk of generated text.

Reasoning(String)

Reasoning summary text chunk (content delta only)

ToolCall(String)

Tool call argument chunk

End(AssistantMessage)

Successful completion of generation.

Failed(String)

Generation failed with an error message.

Incomplete(String)

Generation ended with an incomplete response.

NotSupported(String)

Feature not supported by the provider.

Trait Implementations

impl Clone for LanguageModelStreamChunkType

fn clone(&self) -> LanguageModelStreamChunkType

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LanguageModelStreamChunkType

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

Formats the value using the given formatter.

impl Default for LanguageModelStreamChunkType

fn default() -> LanguageModelStreamChunkType

Returns the “default value” for a type.