Variable isBlock`Const`

isBlock: (
    thing: Thing<any>,
) => thing is
    | Thing<curlyblock>
    | Thing<squareblock>
    | Thing<roundblock>
    | Thing<topblock>
    | Thing<stringblock> = ...

Type Declaration

- (
      thing: Thing<any>,
  ): thing is
      | Thing<curlyblock>
      | Thing<squareblock>
      | Thing<roundblock>
      | Thing<topblock>
      | Thing<stringblock>
- Parameters
  - thing: Thing<any>
  Returns thing is
      | Thing<curlyblock>
      | Thing<squareblock>
      | Thing<roundblock>
      | Thing<topblock>
      | Thing<stringblock>