# File lib/more/facets/duration.rb, line 14
  def self.[](seconds, *segments)
    new(seconds, *segments)
  end

# File lib/more/facets/duration.rb, line 19
  def initialize(seconds=0, *segments)
    @seconds = seconds.to_i
    reset_segments(*segments)
  end

# File lib/more/facets/duration.rb, line 123
  def +(other)
    self.class.new(@seconds + other.to_i, segments)
  end

# File lib/more/facets/duration.rb, line 131
  def +(other)
    self.class.new(@seconds * other.to_i, segments)
  end

# File lib/more/facets/duration.rb, line 127
  def -(other)
    self.class.new(@seconds - other.to_i, segments)
  end

# File lib/more/facets/duration.rb, line 135
  def /(other)
    self.class.new(@seconds / other.to_i, segments)
  end

# File lib/more/facets/duration.rb, line 102
  def <=>(other)
    @seconds <=> other.to_i
  end

# File lib/more/facets/duration.rb, line 94
  def ==(other)
    if Duration === other
      other.seconds == seconds
    else
      other == seconds
    end
  end

# File lib/more/facets/duration.rb, line 211
  def after(time)
    @seconds.after(time)
  end

# File lib/more/facets/duration.rb, line 206
  def before(time)
    @seconds.before(time)
  end

# File lib/more/facets/duration.rb, line 116
  def days    ; to_h[:days]    ; end

# File lib/more/facets/duration.rb, line 117
  def hours   ; to_h[:hours]   ; end

# File lib/more/facets/duration.rb, line 50
  def inspect
    h = to_h
    segments.reverse.collect do |l|
      "#{h[l.to_sym]} #{l}"
    end.join(' ')
  end

# File lib/more/facets/duration.rb, line 118
  def minutes ; to_h[:minutes] ; end

# File lib/more/facets/duration.rb, line 28
  def reset_segments(*segments)
    case segments.size
    when 0
      @segments = [:days, :hours, :minutes, :seconds]
    when 1
      case segments = segments[0]
      when Array
        @segments = segments.collect{ |p| (p.to_s.downcase.chomp('s') + 's').to_sym }
        raise ArgumentError unless @segments.all?{ |s| SEGMENTS.include?(s) }
      else
        f = SEGMENTS.index(segments)
        @segments = SEGMENTS[f..0]
      end
    when 2
      f = SEGMENTS.index(segments[0])
      t = SEGMENTS.index(segments[1])
      @segments = SEGMENTS[f..t]
    else
      raise ArgumentError
    end
  end

# File lib/more/facets/duration.rb, line 119
  def seconds ; to_h[:seconds] ; end

# File lib/more/facets/duration.rb, line 140
  def segmented(*segments)
    self.class.new(@seconds, segments)
    #segments = segments.collect{ |p| p.to_s.downcase.chomp('s') }
    #y,w,d,h,m,s = nil,nil,nil,nil,nil,nil
    #x = @seconds
    #y, x = *x.divmod(YEAR)   if segments.include?('year')
    #w, x = *x.divmod(WEEK)   if segments.include?('week')
    #d, x = *x.divmod(DAY)    if segments.include?('day')
    #h, x = *x.divmod(HOUR)   if segments.include?('hour')
    #m, x = *x.divmod(MINUTE) if segments.include?('minute')
    #s = x if segments.include?('second')
    #[y, w, d, h, m, s].compact
  end

# File lib/more/facets/duration.rb, line 25
  def segments; @segments; end

# File lib/more/facets/duration.rb, line 174
  def strftime(fmt)
    h = to_h
    hx = {
     'y' => h[:years]  ,
     'w' => h[:weeks]  ,
     'd' => h[:days]   ,
     'h' => h[:hours]  ,
     'm' => h[:minutes],
     's' => h[:seconds],
     't' => total,
     'x' => to_s 
    }
    fmt.gsub(/%?%(w|d|h|m|s|t|x)/) do |match|
      hx[match[1..1]]
    end.gsub('%%', '%')
  end

# File lib/more/facets/duration.rb, line 62
  def to_a
    a, s = [], @seconds
    a[5], s = *s.divmod(YEAR)   if @segments.include?(:years)
    a[4], s = *s.divmod(WEEK)   if @segments.include?(:weeks)
    a[3], s = *s.divmod(DAY)    if @segments.include?(:days)
    a[2], s = *s.divmod(HOUR)   if @segments.include?(:hours)
    a[1], s = *s.divmod(MINUTE) if @segments.include?(:minutes)
    a[0], s = *s.divmod(SECOND) if @segments.include?(:seconds)
    a.compact.reverse
  end

# File lib/more/facets/duration.rb, line 58
  def to_f ; @seconds.to_f ; end

# File lib/more/facets/duration.rb, line 74
  def to_h
    h, s = {}, @seconds
    h[:years],   s = *s.divmod(YEAR)   if @segments.include?(:years)
    h[:weeks],   s = *s.divmod(WEEK)   if @segments.include?(:weeks)
    h[:days],    s = *s.divmod(DAY)    if @segments.include?(:days)
    h[:hours],   s = *s.divmod(HOUR)   if @segments.include?(:hours)
    h[:minutes], s = *s.divmod(MINUTE) if @segments.include?(:minutes)
    h[:seconds], s = *s.divmod(SECOND) if @segments.include?(:seconds)
    h
  end

# File lib/more/facets/duration.rb, line 57
  def to_i ; @seconds.to_i ; end

# File lib/more/facets/duration.rb, line 85
  def to_s
    h = to_h
    segments.reverse.collect do |l|
      "#{h[l.to_sym]} #{l}"
    end.join(' ')
  end

# File lib/more/facets/duration.rb, line 121
  def total ; seconds ; end

# File lib/more/facets/duration.rb, line 115
  def weeks   ; to_h[:weeks]   ; end

# File lib/more/facets/duration.rb, line 114
  def years   ; to_h[:years]   ; end