SYNOPSIS void walk_mapping(mapping m, string func, mixed extra,...) void walk_mapping(mapping m, string func, string|object ob , mixed extra,...) void walk_mapping(mapping m, closure cl, mixed extra,...) DESCRIPTION Calls ob->func(key, value1, ..., valueN, extra,...) resp. applies the closure to every entry in the mapping. The keys are passed by value, the values are passed by reference and can be changed in the function. Any number of extra arguments is accepted and passed. These arguments must not be protected references like &(i[]). If is omitted, or neither a string nor an object, it defaults to this_object(). HISTORY Introduced in 3.2@61 SEE ALSO map(E), filter(E)