Returns the lower of self or x.

  4.at_least(5)  #=> 5
  6.at_least(5)  #=> 6

CREDIT: Florian Gross

[Source]

    # File lib/core/facets/comparable/cap.rb, line 10
10:   def at_least(lower)
11:     (self >= lower) ? self : lower
12:   end

Returns the greater of self or x.

  4.at_most(5)  #=> 4
  6.at_most(5)  #=> 5

CREDIT: Florian Gross

[Source]

    # File lib/core/facets/comparable/cap.rb, line 21
21:   def at_most(upper)
22:     (self <= upper) ? self : upper
23:   end

Alias for clip

Alias for at_most

Returns self if above the given lower bound, or within the given lower and upper bounds, otherwise returns the the bound of which the value falls outside.

  4.clip(3)    #=> 4
  4.clip(5)    #=> 5
  4.clip(2,7)  #=> 4
  9.clip(2,7)  #=> 7
  1.clip(2,7)  #=> 2

CREDIT Florian Gross, Trans

[Source]

    # File lib/core/facets/comparable/clip.rb, line 16
16:   def clip(lower, upper=nil)
17:     return lower if self < lower
18:     return self unless upper
19:     return upper if self > upper
20:     return self
21:   end

Alternate name for comparison operator #<=>.

  3.cmp(1)   #=>  1
  3.cmp(3)   #=>  0
  3.cmp(10)  #=> -1

This fundamental compare method is used to keep comparison compatible with succ.

CREDIT: Peter Vanbroekhoven

[Source]

    # File lib/core/facets/comparable/cmp.rb, line 14
14:   def cmp(o)
15:     self<=>o
16:   end