Class: AsPattern

Represents an alias pattern (e.g., x@pat), binding the whole value to a name while matching inner patterns.

Example

f p@(x, y) = ...

Extends

• BinaryPattern

Constructors

Constructor

new AsPattern(left, right, loc?): AsPattern

Parameters

Parameter	Type
left	VariablePattern | WildcardPattern
right	Pattern
loc?	SourceLocation

Returns

AsPattern

Overrides

BinaryPattern.constructor

Accessors

jsonType

Get Signature

get protected jsonType(): BinaryPatternKind

Returns

BinaryPatternKind

Overrides

BinaryPattern.jsonType

Methods

getMetadata()

getMetadata<T>(key): T

Type Parameters

Type Parameter
T

Parameters

Parameter	Type
key	string

Returns

T

Inherited from

BinaryPattern.getMetadata

---

hasMetadata()

hasMetadata(key): boolean

Parameters

Parameter	Type
key	string

Returns

boolean

Inherited from

BinaryPattern.hasMetadata

---

is()

is<T>(nodeType): this is T

Type Parameters

Type Parameter
T extends ASTNode

Parameters

Parameter	Type
nodeType	(...args) => T

Returns

this is T

Inherited from

BinaryPattern.is

---

setMetadata()

setMetadata(key, value): void

Parameters

Parameter	Type
key	string
value	any

Returns

void

Inherited from

BinaryPattern.setMetadata