Enum DefKind 

pub enum DefKind {
    TypeAlias,
    Interface,
    Class,
    Enum,
    Namespace,
}

Kind of type definition.

Affects evaluation and subtype checking behavior:

Kind	Expansion	Nominal	Example
TypeAlias	Always expand	No	type Foo = number
Interface	Lazy expand	No	interface Point { x: number }
Class	Lazy expand	Yes (with brand)	class Foo {}
Enum	Special handling	Yes	enum Color { Red, Green }
Namespace	Export lookup	No	namespace NS { export type T = number }

Variants

TypeAlias

Type alias: always expand (transparent). type Foo<T> = T | null

Interface

Interface: keep opaque until needed. interface Point { x: number; y: number }

Class

Class: opaque with nominal brand. class User { constructor(public name: string) {} }

Enum

Enum: special handling for member access. enum Direction { Up, Down, Left, Right }

Namespace

Namespace/Module: container for exported types and values. namespace NS { export type T = number }

Trait Implementations

impl Clone for DefKind

fn clone(&self) -> DefKind

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for DefKind

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

Formats the value using the given formatter.

impl Hash for DefKind

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for DefKind

fn eq(&self, other: &DefKind) -> 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 Copy for DefKind

impl Eq for DefKind

impl StructuralPartialEq for DefKind