Class Box<Content>

validate

• validate<Sub>(fn: (content: Content) => content is Sub, error: (content: Content) => Error): Box<Sub>

• Type parameters

  • Sub: Content

  Parameters

  • fn: (content: Content) => content is Sub

    • • (content: Content): content is Sub

      • Parameters

        • content: Content

        Returns content is Sub

  • error: (content: Content) => Error

    • • (content: Content): Error

      • Parameters

        • content: Content

        Returns Error

  Returns Box<Sub>