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

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: With no associated block, <tt>open</tt> is a synonym for <tt>IO::new</tt>. If the optional code block is given, it will be passed <em>io</em> as an argument, and the IO object will automatically be closed when the block terminates. In this instance, <tt>IO::open</tt> returns the value of the block.
full_name: IO::open
is_singleton: true
name: open
params: |
  IO.open(fd, mode_string="r" )               => io
  IO.open(fd, mode_string="r" ) {|io| block } => obj

visibility: public