erase_

swordfish.function.erase_()

Eliminate elements from a set, or members from a dictionary, or rows from a table.

参数:

• obj (Constant) -- A set/dictionary/table.

• key (Constant) -- The element to be deleted for a set; the keys of the members to be deleted for a dictionary; a piece of meta code with filtering conditions for a table.

• filter (Constant) -- The element to be deleted for a set; the keys of the members to be deleted for a dictionary; a piece of meta code with filtering conditions for a table. For details about meta code, please refer to Metaprogramming.