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*&---------------------------------------------------------------------**& Report ZFIBO*&---------------------------------------------------------------------**&*&---------------------------------------------------------------------*REPORT ZFIBO.TYPES: zcd_int_tab TYPE STANDARD TABLE OF i WITH key TABLE_LINE.CLASS lcl_fibonacci DEFINITION.  PUBLIC SECTION.  METHODS fibonacci    IMPORTING !n TYPE i    RETURNING      VALUE(fib_numbers) TYPE zcd_int_tab.ENDCLASS.CLASS lcl_fibonacci IMPLEMENTATION.  METHOD fibonacci.    fib_numbers = COND #( WHEN n = 0                            THEN VALUE #( ( |0| ) )                          WHEN n = 1                            THEN VALUE #( ( |0| ) ( |1| ) )                          ELSE                          " Jerry 2016-12-04 16:39PM at Frankfort -> Beijing                          " n = 2                          " fn1 = fibo(1): (0,1) - internal table                          " x = fn1[2] = 1                          " y = fn1[1] = 0                            VALUE #( LET fn1 = fibonacci( n - 1 )                                         x   = fn1[ lines( fn1 ) ]                                         y   = fn1[ lines( fn1 ) - 1 ]                                      IN " how to understand this LINES OF                                      ( LINES OF fn1 ) ( x + y ) ) ).  ENDMETHOD.ENDCLASS.START-OF-SELECTION.  cl_demo_output=>display( NEW lcl_fibonacci( )->fibonacci( 10 ) ).

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