Struct Delta 

pub struct Delta {
    pub role: Option<Role>,
    pub content: Option<String>,
    pub reasoning_content: Option<String>,
    pub tool_calls: Option<Vec<ToolCall>>,
}

Message content in a completion response

Used for both streaming deltas and non-streaming response messages.

Fields

role: Option<Role>

The role of the message author

content: Option<String>

The content of the message

reasoning_content: Option<String>

The reasoning content (for deepseek-reasoner model)

tool_calls: Option<Vec<ToolCall>>

Tool calls made by the model

Trait Implementations

impl Clone for Delta

fn clone(&self) -> Delta

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Delta

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

Formats the value using the given formatter.

impl Default for Delta

fn default() -> Delta

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Delta

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.