--- !ruby/object:RI::MethodDescription 
aliases: 
- !ruby/object:RI::AliasName 
  name: defin
- !ruby/object:RI::AliasName 
  name: argf
block_params: 
comment: 
full_name: System#default_input
is_singleton: false
name: default_input
params: ()
visibility: public