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//opt/alt/ruby18/share/ri/1.8/system/Set/reject%21-i.yaml
--- !ruby/object:RI::MethodDescription aliases: [] block_params: (o) comment: - !ruby/struct:SM::Flow::P body: Equivalent to Set#delete_if, but returns nil if no changes were made. full_name: Set#reject! is_singleton: false name: reject! params: () {|o| ...} visibility: public
