Struct ChatMessage 

pub struct ChatMessage {
    pub role: MessageRole,
    pub content: MessageContent,
    pub name: Option<String>,
    pub tool_calls: Option<Vec<ToolCall>>,
    pub tool_call_id: Option<String>,
    pub metadata: HashMap<String, Value>,
    pub timestamp: Option<DateTime<Utc>>,
}

A chat message in a conversation

Fields

role: MessageRole

Role of the message sender

content: MessageContent

Content of the message

name: Option<String>

Optional name of the sender (for user/assistant disambiguation)

tool_calls: Option<Vec<ToolCall>>

Tool call information (for assistant messages)

tool_call_id: Option<String>

Tool call ID (for tool response messages)

metadata: HashMap<String, Value>

Message metadata

timestamp: Option<DateTime<Utc>>

Message timestamp

Implementations

impl ChatMessage

pub fn new(role: MessageRole, content: impl Into<MessageContent>) -> Self

Create a new chat message

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

Create a system message

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

Create a user message

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

Create an assistant message

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

Create a tool response message

pub fn with_name(self, name: impl Into<String>) -> Self

Set the sender name

pub fn with_tool_calls(self, tool_calls: Vec<ToolCall>) -> Self

Add tool calls to the message

pub fn with_metadata(self, key: impl Into<String>, value: Value) -> Self

Add metadata to the message

pub fn text(&self) -> Option<&str>

Get the text content of the message

pub fn is_empty(&self) -> bool

Check if message is empty

pub fn len(&self) -> usize

Get message length in characters

Trait Implementations

impl Clone for ChatMessage

fn clone(&self) -> ChatMessage

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ChatMessage

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ChatMessage

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for ChatMessage

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

where __S: Serializer,

Serialize this value into the given Serde serializer.