Module model 

Structs

EnumValue

Enum value with optional payload.

EnumVariant

Enum variant with optional payload type.

StructField

Named field for struct types.

StructFieldValue

Struct field value pairing.

Enums

TypeExpr

Type expression to describe structured types.

Value

Concrete runtime value.

ValueRef

Borrowed view of a value to avoid cloning large payloads.

ValueType

Static value type.