Class: Sleep2

Inherits:
Object
  • Object
show all
Includes:
Comparable
Defined in:
lib/sleep2.rb,
lib/sleep2/version.rb

Constant Summary collapse

VERSION = 
"0.2.0"

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(duration) ⇒ Sleep2

Returns a new instance of Sleep2.



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# File 'lib/sleep2.rb', line 13

def initialize duration
  if duration.class.ancestors.include?(Numeric)
    @duration = duration.to_f
  elsif duration.class == self.class
    @duration = duration.duration.to_f
  else
    raise TypeError, "can't convert #{duration.class} into time interval"
  end
  @new = true
end

Instance Attribute Details

#duration ⇒ Object

Returns the value of attribute duration.



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# File 'lib/sleep2.rb', line 10

def duration
  @duration
end

#new=(value) ⇒ Object (writeonly)

Sets the attribute new

Parameters:

  • value —

    the value to set the attribute new to.



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# File 'lib/sleep2.rb', line 11

def new=(value)
  @new = value
end

#sleep_proc ⇒ Object

Returns the value of attribute sleep_proc.



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# File 'lib/sleep2.rb', line 10

def sleep_proc
  @sleep_proc
end

Class Method Details

.[](duration) ⇒ Object 



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# File 'lib/sleep2.rb', line 6

def self.[] duration
  new duration
end

Instance Method Details

#<=>(other) ⇒ Object

Makes sleep instance comparable with another object of its type and integer



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# File 'lib/sleep2.rb', line 51

def <=>(other)
  if other.kind_of? self.class
    self.duration <=> other.duration
  elsif other.kind_of? Integer
    self.duration <=> other
  end
end

#[](new_duration) ⇒ Object 



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# File 'lib/sleep2.rb', line 38

def [] new_duration
  self.duration = new_duration
end

#inspect ⇒ Object 



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# File 'lib/sleep2.rb', line 28

def inspect
  # Avoids sleeping the first time it is called (the moment of instantiation)
  unless new?
    self.sleep_proc.call
  else
    self.new   = false
    self.sleep_proc = proc { sleep duration }
  end
end

#new? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/sleep2.rb', line 24

def new?
  @new
end