Class: Archimate::MaybeIO

Inherits:

Object

• Object
• Archimate::MaybeIO

Defined in:

lib/archimate/maybe_io.rb

Instance Method Summary

• #initialize(filename) {|the| ... } ⇒ MaybeIO constructor

  Creates a MaybeIO object passing it yielding it to the given block.

• #write(_str) ⇒ Object

  Implementation of the NilIO write method - effectively passes the input String to /dev/null.

Constructor Details

#initialize(filename) {|the| ... } ⇒ MaybeIO

Creates a MaybeIO object passing it yielding it to the given block

Examples:

Usage

Archimate::MaybeIO.new(myfile) do |io|
  io.write("Writing away")
end

Parameters:

• filename (String, nil) —

  determines the IO yielded to the given block String: filename to make writable IO for nil: - A fake IO

Yield Parameters:

• the (IO) —

  given block gets an IO (or fake IO)

# File 'lib/archimate/maybe_io.rb', line 19

def initialize(filename)
  if filename.nil?
    yield self
  else
    File.open(filename, "w") do |io|
      yield io
    end
  end
end

Instance Method Details

#write(_str) ⇒ Object

Implementation of the NilIO write method - effectively passes the input String to /dev/null

Parameters:

• _str (String) —

  • unused, no effect

# File 'lib/archimate/maybe_io.rb', line 33

def write(_str); end