Struct Message 

pub struct Message {
    pub role: Role,
    pub content: Option<String>,
    pub parts: Vec<ContentPart>,
    pub tool_calls: Vec<ToolCall>,
    pub tool_call_id: Option<ToolCallId>,
    pub name: Option<String>,
}

A single conversation message.

Fields

role: Role

Role.

content: Option<String>

Text content when not multimodal.

parts: Vec<ContentPart>

Multimodal parts (preferred when present).

tool_calls: Vec<ToolCall>

Tool calls from the assistant.

tool_call_id: Option<ToolCallId>

Tool call id when role is tool.

name: Option<String>

Tool name when role is tool.

Implementations

impl Message

pub fn system(content: impl Into<String>) -> Self

System message.

pub fn user(content: impl Into<String>) -> Self

User message.

pub fn assistant(content: impl Into<String>) -> Self

Assistant text message.

pub const fn assistant_tools(tool_calls: Vec<ToolCall>) -> Self

Assistant message with tool calls.

pub fn tool_result( tool_call_id: ToolCallId, name: impl Into<String>, content: impl Into<String>, ) -> Self

Tool result message.

pub fn text(&self) -> String

Best-effort plain text extraction.

Trait Implementations

impl Clone for Message

fn clone(&self) -> Message

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Message

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Message

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for Message

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for Message

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 Message