Enum ModelsDevInterleaved 

pub enum ModelsDevInterleaved {
    Enabled(bool),
    Field {
        field: Option<String>,
    },
}

Interleaved reasoning metadata from a Models.dev provider row.

Live Models.dev uses two shapes for this field, verified against https://models.dev/catalog.json on 2026-07-07:

• a bare boolean (interleaved: true) on ~32 provider rows, signalling the provider supports interleaved reasoning without naming a wire field, and
• an object (interleaved: { "field": "reasoning_content" }) on the majority of rows, naming the wire field that carries reasoning deltas.

Modeling only the object shape made serde_json::from_str::<ModelsDevCatalog> reject every boolean row before the live catalog could be used at all (#4185). This untagged enum accepts both shapes while preserving the field hint whenever the object form supplies one.

Variants

Enabled(bool)

Boolean form: interleaved: true / interleaved: false.

Field

Object form: interleaved: { "field": "reasoning_content" }.

field stays optional so an empty or partial object still parses, and unknown sibling keys are ignored rather than rejected.

Fields

field: Option<String>

Implementations

impl ModelsDevInterleaved

pub fn is_enabled(&self) -> bool

Whether interleaved reasoning is enabled for this row.

The boolean form reports its literal value. The object form is treated as enabled because upstream only emits the object (naming a wire field) for interleaved-capable rows.

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

The provider wire field carrying reasoning deltas, when upstream names one.

Only the object form supplies this; the boolean form returns None.

Trait Implementations

impl Clone for ModelsDevInterleaved

fn clone(&self) -> ModelsDevInterleaved

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ModelsDevInterleaved

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for ModelsDevInterleaved

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

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Eq for ModelsDevInterleaved

impl PartialEq for ModelsDevInterleaved

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

Equality operator ==.

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

Inequality operator !=.

impl Serialize for ModelsDevInterleaved

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

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl StructuralPartialEq for ModelsDevInterleaved