<HEAD> <TITLE> m_delete - remove a key from a mapping </TITLE> </HEAD> <BODY BACKGROUND=http://www.imaginary.com/~beek/gifs/bg.jpg TEXT=#000000 ALINK=#FFFF00 VLINK=#550000 LINK=#000099> <center> <H1> m_delete - remove a key from a mapping </H1> </center> <p> <b> mapping m_delete(mapping m, mixed element); </b> <p> This efun is only available if COMPAT_32 is defined. <p> It behaves exactly like map_delete(), except that it returns its first argument. <p> Note: the 3.2 version actually returns a copy of the mapping, so for strict compatibility the following simul is suggested: <p> <pre> mapping m_delete(mapping m, mixed element) { mapping ret = copy(m); map_delete(ret, element); return ret; } </pre> <p> However, this version is significantly faster as it avoids the copy. <p> See also: <A HREF=map_delete.html> map_delete </A> <p> <HR> <ADDRESS> <A HREF=http://wagner.princeton.edu/~tim> Tim Hollebeek </A> <p> <A HREF="http://www.imaginary.com/~beek/"> Beek </A>@ZorkMUD, Lima Bean, IdeaExchange, TMI-2, and elsewhere </ADDRESS> <p>