Struct Message 

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

A single message in a conversation, forming the basis of interaction with the LLM.

Fields

role: Role

The role of the message author.

content: String

The text content of the message.

name: Option<String>

The name of the author, used in some multi-agent contexts.

tool_call_id: Option<String>

A unique identifier for the tool call this message is a response to.

tool_calls: Option<Vec<ToolCall>>

A list of tool calls requested by the assistant.

Implementations

impl Message

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

Creates a new Message with the System role.

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

Creates a new Message with the User role.

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

Creates a new Message with the Assistant role.

pub fn assistant_with_tool_calls( content: impl Into<String>, tool_calls: Vec<ToolCall>, ) -> Self

Creates a new Message from the assistant that includes tool calls.

pub fn tool(content: impl Into<String>, tool_call_id: impl Into<String>) -> Self

Creates a new Message with the Tool role, representing a tool’s output.

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.