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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Equivalent to <tt>$_.sub(<em>args</em>)</tt>, except that <tt>$_</tt> will be updated if substitution occurs.
full_name: Kernel#sub
is_singleton: false
name: sub
params: |
  sub(pattern, replacement)   => $_
  sub(pattern) { block }      => $_

visibility: public