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

block_params: 
comment: 
- !ruby/struct:RDoc::Markup::Flow::P 
  :body: Returns nil if argument is not present or begins with '-'.
full_name: OptionParser::PlacedArgument#parse
is_singleton: false
name: parse
params: (arg, argv, &error)
visibility: public
