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CHECK_07 - Functional writing style for CALL METHOD

See http://help.sap.com/abapdocu_740/en/abenmethod_call_guidl.htm

Example:

CALL METHOD lo_obj->method( ).

Can be reduced to

lo_obj->method( ).

Use functional writing style instead of RECEIVING

zcl_foo=>bar(
  RECEIVING
    rv_moo = lv_boo ).

can be reduced to

lv_boo = zcl_foo=>bar( ).

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