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Description
  • Removes all data from the given dictionaryThe function removes all items from the given dictionary. If the destructive parameter is 0 or 1 then an error 22023 is signalled if the dictionary is used as a value of more than one variable. The parameter equal to 2 forces the function to ignore the presence of multiple variables; in this case the operation may cause unexpected results in other fragments of code that share the dictionary. In most of cases, this function is used specifically for its side effect on other variables. With only one variable in use, one may simply set that variable to the value returned by dict_new() (or to NULL if the dictionary is no longer needed). If the dictionary is no longer referenced by any variable, it is destroyed and the occupied memory is freed. However one may wish to zap the dictionary in order to not worry about number of variables that refers to the dictionary, e.g., when dictionary is used only in some part of a long procedure.
Creator
  • virtuoso.docs@openlinksw.com
Date
  • 2015-02-05T21:17:51Z
Title
  • Function: dict_zap
type
content:encoded
  • Removes all data from the given dictionaryThe function removes all items from the given dictionary. If the destructive parameter is 0 or 1 then an error 22023 is signalled if the dictionary is used as a value of more than one variable. The parameter equal to 2 forces the function to ignore the presence of multiple variables; in this case the operation may cause unexpected results in other fragments of code that share the dictionary. In most of cases, this function is used specifically for its side effect on other variables. With only one variable in use, one may simply set that variable to the value returned by dict_new() (or to NULL if the dictionary is no longer needed). If the dictionary is no longer referenced by any variable, it is destroyed and the occupied memory is freed. However one may wish to zap the dictionary in order to not worry about number of variables that refers to the dictionary, e.g., when dictionary is used only in some part of a long procedure.
rss:category
  • Dictionary Manipulation
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