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

block_params: 
comment: 
- !ruby/struct:RDoc::Markup::Flow::P 
  :body: Returns the Encoding of the internal string if conversion is specified. Otherwise returns nil.
full_name: IO#internal_encoding
is_singleton: false
name: internal_encoding
params: |
  io.internal_encoding   => encoding

visibility: public
