Posted: Sat Sep 15, 2007 7:59 pm Post subject: Returning method can be used only in expressions
If a method only has IMPORTING parameters and one RETURNING parameter (aka functional method), it can be used as an operand in an expression, but it cannot be used in statements like WRITE etc.
Code:
REPORT ZVV0003.
*----------------------------------------------------------------------*
class c_time definition.
public section.
methods: constructor,
get_time returning value(p_time) like sy-uzeit.
private section.
data a_time like sy-uzeit.
endclass.
class c_time implementation.
method constructor. a_time = sy-uzeit. endmethod.
method get_time. p_time = a_time. endmethod.
endclass.
*----------------------------------------------------------------------*
data: o_1 type ref to c_time,
w_time like sy-uzeit.
END-OF-SELECTION.
create object o_1.
* write / o_1->get_time( ). "Error!
w_time = o_1->get_time( ). write / w_time. "Ok
w_time = o_1->get_time( ) + 5. write / w_time. "Ok
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