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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Replaces the Sexp matching <tt>pattern</tt> with <tt>repl</tt>.
full_name: Sexp#sub
is_singleton: false
name: sub
params: (pattern, repl)
visibility: public
