From the NannyMUD documentation

LAST CHANGE

2000-12-14

FUNCTION

NAME
        _m_delete - Remove an index from a mapping destructively.


SYNTAX
	void _m_delete(mapping map, mixed index)

DESCRIPTION
	This function works like m_delete, but changes 'map' instead of
	creating a copy of it before removing 'index'. Nothing is
	returned.


SEE ALSO
        mappingp in efun/type_related/mappingp


SEE ALSO
        mkmapping in efun/type_related/mkmapping


SEE ALSO
        m_indices in efun/type_related/m_indices


SEE ALSO
        m_values in efun/type_related/m_values


SEE ALSO
        m_sizeof in efun/type_related/m_sizeof


SEE ALSO
        m_delete in efun/type_related/m_delete