--- !ruby/object:RI::MethodDescription 
aliases: []
block_params: (o)
comment: 
- !ruby/struct:SM::Flow::P 
  body: Deletes every element of the set for which block evaluates to true, and returns self.
full_name: Set#delete_if
is_singleton: false
name: delete_if
params: () {|o| ...}
visibility: public