efun - mappings - filter_mapping

MudOS v21c2

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filter_mapping(3)���� MudOS v21c2������ (5 Sep 1994)
������:
    �� filter_mapping() - ��һ������Ϊ׼, �Ƴ�һ��ӳ������е�ijЩԪ��.
���﷨:
    �� mapping filter_mapping( mapping map, string fun, object ob, mixed extra, ... );
    �� mapping map_mapping( mapping map, function f, mixed extra, ... );

    �� ӳ�� filter_mapping( ӳ�� map, �ַ��� fun, ��� ob, ��� extra, ... );
    �� ӳ�� filter_mapping( ӳ�� map, ���� f, ��� extra, ... );

���÷�:
    �� ����һ���� map�� ����ͬ�ؼ��� (keys) ��ӳ�����, �� map �е�������Ŀ (item) ���ᾭ�� ob->fun()�� �� f �Ĺ���. ÿһ���� map�� �е�Ԫ�ض������ fun�� �� f һ��, ������ fun �� f �ķ���ֵ�����ÿһ����Ŀ֮��.
������: ������:
    �� Spock @ FF 97.Feb.12.�� (printed 3/16/95)
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