Class: Mail::FieldList

Inherits:
Array
  • Object
show all
Includes:
Enumerable
Defined in:
lib/mail/field_list.rb

Overview

Field List class provides an enhanced array that keeps a list of email fields in order. And allows you to insert new fields without having to worry about the order they will appear in.

Instance Method Summary collapse

Instance Method Details

#<<(new_field) ⇒ Object

Insert the field in sorted order.

Heavily based on bisect.insort from Python, which is:

Copyright (C) 2001-2013 Python Software Foundation.
Licensed under <http://docs.python.org/license.html>
From <http://hg.python.org/cpython/file/2.7/Lib/bisect.py>



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# File 'lib/mail/field_list.rb', line 17

def <<( new_field )
  lo = 0
  hi = size

  while lo < hi
    mid = (lo + hi) / 2
    if new_field < self[mid]
      hi = mid
    else
      lo = mid + 1
    end
  end

  insert(lo, new_field)
end