Struct Message 

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

A single message in the conversation history.

Fields

role: Role

Role of the message author.

content: String

Text content of the message.

token_estimate: usize

Rough token count estimate (one token per 4 bytes, rounded up).

tool_calls: Vec<ToolCall>

Native tool calls the model made in this (assistant) message.

tool_call_id: Option<String>

For a tool result: the id of the call it answers.

Implementations

impl Message

pub fn new(role: Role, content: impl Into<String>) -> Self

Creates a new message, estimating its token count.

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

Convenience constructor for system messages.

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

Convenience constructor for user messages.

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

Convenience constructor for assistant messages.

Trait Implementations

impl Clone for Message

fn clone(&self) -> Self

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.