isNothingType

isNothingType(t: Type): Boolean

Returns true if the input is the Nothing type.

Introduced in DataWeave version 2.3.0.

Parameters

Name Description

t

The type to check.

Example

This example shows how isNothingType behaves with different inputs.

Source

%dw 2.0
import * from dw::core::Types
type ANothing = Nothing
output application/json
---
{
   a: isNothingType(ANothing),
   b: isNothingType(Nothing),
   c: isNothingType(String),
}

Output

{
  "a": true,
  "b": true,
  "c": false
}

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