Struct Delta 

pub struct Delta {
    pub role: Option<Role>,
    pub content: Option<String>,
    pub tool_calls: Vec<ToolCallDelta>,
    pub reasoning: Option<String>,
    pub reasoning_details: Vec<ReasoningDetail>,
}

Incremental delta on a streaming choice.

Fields

role: Option<Role>

First chunk only.

content: Option<String>

Incremental text.

tool_calls: Vec<ToolCallDelta>

reasoning: Option<String>

Incremental open reasoning text, if any.

reasoning_details: Vec<ReasoningDetail>

Incremental structured reasoning blocks (open / hidden — see ReasoningDetail).

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<'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.

impl PartialEq for Delta

fn eq(&self, other: &Delta) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl Serialize for Delta

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Delta