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## de.grogra.xl.lang
Interface VoidToDouble

    public interface VoidToDouble

Instances of `VoidToDouble` represent functions which take `void`s as input and return values of type `double`. Such instances are created by lambda expressions of the XL programming language, e.g., `VoidToDouble f = void => double` some expression`;`.

Author:
  Ole Kniemeyer

Method Summary
`double` | `evaluateDouble()` Computes the value of this function.

Method Detail

### evaluateDouble

    double evaluateDouble()

  Computes the value of this function.

  Returns:
    function value

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