Functions & closuresReference

iscclosure

Identifies native closures.

Details#

Checks whether a value is a C closure, including a newcclosure wrapper. Non-functions return false rather than raising a type error.

iscclosure(value: any): boolean

Parameter	Type	Description
`value`	`any`	Value to classify; non-functions return false.

A boolean classification of value.

print(iscclosure(print)) -- true
print(iscclosure(123)) -- false