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由 Steven Fackler 提交于
Fixes most of #4989. I didn't add Persistent{Set,Map} since the only persistent data structure is fun_treemap and its functionality is currently too limited to build a trait out of.
6b37b5ba
Fixes most of #4989. I didn't add Persistent{Set,Map} since the only persistent data structure is fun_treemap and its functionality is currently too limited to build a trait out of.