Enum Part 

pub enum Part {
    Text {
        id: Option<String>,
        text: String,
        synthetic: Option<bool>,
        ignored: Option<bool>,
        metadata: Option<Value>,
    },
    File {
        id: Option<String>,
        mime: String,
        url: String,
        filename: Option<String>,
        source: Option<FilePartSource>,
    },
    Tool {
        id: Option<String>,
        call_id: String,
        tool: String,
        input: Value,
        state: Option<ToolState>,
        metadata: Option<Value>,
    },
    Reasoning {
        id: Option<String>,
        text: String,
        metadata: Option<Value>,
    },
    StepStart {
        id: Option<String>,
        snapshot: Option<String>,
    },
    StepFinish {
        id: Option<String>,
        reason: String,
        snapshot: Option<String>,
        cost: f64,
        tokens: Option<TokenUsage>,
    },
    Snapshot {
        id: Option<String>,
        snapshot: String,
    },
    Patch {
        id: Option<String>,
        hash: String,
        files: Vec<String>,
    },
    Agent {
        id: Option<String>,
        name: String,
        source: Option<AgentSource>,
    },
    Retry {
        id: Option<String>,
        attempt: u32,
        error: Option<APIError>,
    },
    Compaction {
        id: Option<String>,
        auto: bool,
    },
    Subtask {
        id: Option<String>,
        prompt: String,
        description: String,
        agent: String,
        command: Option<String>,
    },
    Unknown,
}

A content part within a message (12 variants).

Variants

Text

Text content.

Fields

id: Option<String>

Part identifier.

text: String

Text content.

synthetic: Option<bool>

Whether this is synthetic (generated).

ignored: Option<bool>

Whether this part is ignored.

metadata: Option<Value>

Additional metadata.

File

File attachment.

Fields

id: Option<String>

Part identifier.

mime: String

MIME type.

url: String

File URL.

filename: Option<String>

Original filename.

source: Option<FilePartSource>

File source info.

Tool

Tool invocation.

Fields

id: Option<String>

Part identifier.

call_id: String

Tool call ID.

tool: String

Tool name.

input: Value

Tool input arguments.

state: Option<ToolState>

Tool execution state.

metadata: Option<Value>

Additional metadata.

Reasoning

Reasoning/thinking content.

Fields

id: Option<String>

Part identifier.

text: String

Reasoning text.

metadata: Option<Value>

Additional metadata.

StepStart

Step start marker.

Fields

id: Option<String>

Part identifier.

snapshot: Option<String>

Snapshot ID.

StepFinish

Step finish marker.

Fields

id: Option<String>

Part identifier.

reason: String

Finish reason.

snapshot: Option<String>

Snapshot ID.

cost: f64

Cost incurred.

tokens: Option<TokenUsage>

Token usage.

Snapshot

Snapshot marker.

Fields

id: Option<String>

Part identifier.

snapshot: String

Snapshot ID.

Patch

Patch information.

Fields

id: Option<String>

Part identifier.

hash: String

Patch hash.

files: Vec<String>

Affected files.

Agent

Agent delegation.

Fields

id: Option<String>

Part identifier.

name: String

Agent name.

source: Option<AgentSource>

Agent source info.

Retry

Retry marker.

Fields

id: Option<String>

Part identifier.

attempt: u32

Attempt number.

error: Option<APIError>

Error that caused retry.

Compaction

Compaction marker.

Fields

id: Option<String>

Part identifier.

auto: bool

Whether this was automatic.

Subtask

Subtask delegation.

Fields

id: Option<String>

Part identifier.

prompt: String

Subtask prompt.

description: String

Subtask description.

agent: String

Agent to handle subtask.

command: Option<String>

Optional command.

Unknown

Unknown part type (forward compatibility).

Trait Implementations

impl Clone for Part

fn clone(&self) -> Part

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Part

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Part

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for Part

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

where __S: Serializer,

Serialize this value into the given Serde serializer.