--- !ruby/object:RI::MethodDescription 
aliases: 
- !ruby/object:RI::AliasName 
  name: size
block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Return the number of fields in this object.
full_name: RMail::Header#length
is_singleton: false
name: length
params: ()
visibility: public
