hasReturnValue

Indicates whether a declaration has a non-Unit return value.

• If a declaration explicitly specifies a return type, hasReturnValue returns true only if the declared type is not Unit.

• For declarations without an explicit return type:

  1. If the declaration has a block body, hasReturnValue always returns false.

     Example:

      fun sampleFunction() { "some text" } // hasReturnValue == false

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  2. If the declaration has an expression body, hasReturnValue always returns true.

     Examples:

      fun sampleFunction1() = SampleClass()  // hasReturnValue == true
     
      fun sampleFunction2() = println("some text") // hasReturnValue == true, because Konsist is not able to
                                                   // determine value of the "println("some text")" expression

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