ABAPCLASS-METHODS_FUNCTIONAL - CLASS-METHODS FUNCTIONAL

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CLASS-METHODS - RETURNING

Short Reference

Syntax

CLASS-METHODS meth
  [IMPORTING parameters] [PREFERRED PARAMETER p]]
   RETURNING VALUE(r) typing
  [{RAISING exc1|RESUMABLE(exc1) exc2|RESUMBALE(exc2) ...}
  |{EXCEPTIONS exc1 exc2 ...}].

Effect

Declares a functionalstatic method meth. The additions have exactly the same syntax and meaning as those forfunctional instance methods.

Example

The class circle contains two functional static methods, circumference and area, which work with the constant pi.

CLASS circle DEFINITION.
  PUBLIC SECTION.
     CONSTANTS pi TYPE decfloat34
                 VALUE '3.141592653589793238462643383279503'.
     CLASS-METHODS: circumference IMPORTING r TYPE decfloat34
                              RETURNING value(c) TYPE decfloat34,
                   area        IMPORTING r TYPE decfloat34
                              RETURNING value(a) TYPE decfloat34.
ENDCLASS.

CLASS circle IMPLEMENTATION.
  METHOD circumference.
    c = 2 * pi * r.
  ENDMETHOD.
  METHOD area.
    a = pi * r ** 2.
  ENDMETHOD.
ENDCLASS.

DATA: circ   TYPE decfloat34,
      area   TYPE decfloat34,
      radius TYPE decfloat34.

START-OF-SELECTION.

  radius = '1.00'.
  circ = circle=>circumference( radius ).
  area = circle=>area( radius ).

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