Enum Content 

pub enum Content {
    Text(TextPart),
    Reasoning(ReasoningPart),
    File(FilePart),
    Source(SourcePart),
    ToolCall(ToolCallPart),
    ToolResult(ToolResultPart),
}

Represents a single content element in a language model’s response or message.

Content can take multiple forms depending on what the model generates or what is included in a message. This enum provides a unified interface for handling different types of content including text, files, tool calls, and citations.

Variants

• Text - Plain text content generated by the model
• Reasoning - Internal reasoning content from specialized reasoning models (e.g., o1)
• File - Media content including images, audio, video, or other file types
• Source - Citation or reference to an external source document
• ToolCall - A tool/function call invocation from the model
• ToolResult - The result of executing a tool or function

Usage

Content elements are typically generated as part of a larger response and should be examined to determine the appropriate handling for each type.

Variants

Text(TextPart)

Plain text content generated by the model

Reasoning(ReasoningPart)

Internal reasoning content from specialized reasoning models

File(FilePart)

Media content including images, audio, video, or other file types

Source(SourcePart)

Citation or reference to an external source document

ToolCall(ToolCallPart)

A tool or function call invocation from the model

ToolResult(ToolResultPart)

The result of executing a tool or function

Trait Implementations

impl Clone for Content

fn clone(&self) -> Content

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Content

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for Content

fn deserialize<__D>( __deserializer: __D, ) -> Result<Content, <__D as Deserializer<'de>>::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for Content

fn eq(&self, other: &Content) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for Content

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for Content