Struct Message 

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

A message in a conversation.

Represents a single message with role, content, and optional metadata. Supports different message types for conversation context.

Example

let user_msg = Message::user("Hello, how are you?");
let assistant_msg = Message::assistant("I'm doing well, thank you!");
let system_msg = Message::system("You are a helpful assistant.");

Fields

role: Role

Role of the message sender

content: String

Content of the message

name: Option<String>

Optional name for the message sender

tool_calls: Option<Vec<ToolCall>>

Tool calls made by the assistant

tool_call_id: Option<String>

ID of the tool call being responded to

Implementations

impl Message

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

Create a user message.

Arguments

• content - The message content

Returns

Returns a new user message.

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

Create an assistant message.

Arguments

• content - The message content

Returns

Returns a new assistant message.

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

Create a system message.

Arguments

• content - The message content

Returns

Returns a new system message.

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 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.