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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Get a single optional argument from the command line. If more than one argument is given, return only the first. Return nil if none are given.
full_name: Gem::Command#get_one_optional_argument
is_singleton: false
name: get_one_optional_argument
params: ()
visibility: public
