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

block_params: ""
comment: 
- !ruby/struct:SM::Flow::P 
  body: returns a charset parameter in Content-Type field. It is downcased for canonicalization.
- !ruby/struct:SM::Flow::P 
  body: If charset parameter is not given but a block is given, the block is called and its result is returned. It can be used to guess charset.
- !ruby/struct:SM::Flow::P 
  body: If charset parameter and block is not given, nil is returned except text type in HTTP. In that case, "iso-8859-1" is returned as defined by RFC2616 3.7.1.
full_name: OpenURI::Meta#charset
is_singleton: false
name: charset
params: () {|| ...}
visibility: public