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--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Performs <tt>String#tr_s</tt> processing on <em>str</em> in place, returning <em>str</em>, or <tt>nil</tt> if no changes were made.
full_name: String#tr_s!
is_singleton: false
name: tr_s!
params: |
  str.tr_s!(from_str, to_str)   => str or nil

visibility: public