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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Return the header corresponding to <tt>field</tt>.
- !ruby/struct:SM::Flow::P 
  body: Matching is case-insensitive.
full_name: Mail#[]
is_singleton: false
name: "[]"
params: (field)
visibility: public
