51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
# File 'lib/bundler/vendor/pub_grub/lib/pub_grub/term.rb', line 51
def relation(other)
if positive? && other.positive?
constraint.relation(other.constraint)
elsif negative? && other.positive?
if constraint.allows_all?(other.constraint)
:disjoint
else
:overlap
end
elsif positive? && other.negative?
if !other.constraint.allows_any?(constraint)
:subset
elsif other.constraint.allows_all?(constraint)
:disjoint
else
:overlap
end
elsif negative? && other.negative?
if constraint.allows_all?(other.constraint)
:subset
else
:overlap
end
else
raise
end
end
|