Class: Fact

Represents a fact, a rule with no body (always true).

Example

human(socrates).

Constructors

Constructor

new Fact(identifier, patterns, loc?): Fact

Parameters

Parameter	Type
identifier	SymbolPrimitive
patterns	Pattern[]
loc?	SourceLocation

Returns

Fact

Overrides

ASTNode.constructor

Methods

getMetadata()

getMetadata<T>(key): T

Type Parameters

Type Parameter
T

Parameters

Parameter	Type
key	string

Returns

T

Inherited from

ASTNode.getMetadata

---

hasMetadata()

hasMetadata(key): boolean

Parameters

Parameter	Type
key	string

Returns

boolean

Inherited from

ASTNode.hasMetadata

---

setMetadata()

setMetadata(key, value): void

Parameters

Parameter	Type
key	string
value	any

Returns

void

Inherited from

ASTNode.setMetadata