Created
July 10, 2015 14:06
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class Diff | |
def initialize(a, b) | |
@a, @b = a, b | |
end | |
def left | |
diff(@a, @b) | |
end | |
def right | |
diff(@b, @a) | |
end | |
private | |
def diff(a, b) | |
b.dup.delete_if { |k, v| a[k] == v } | |
.merge!(a.dup.delete_if { |k, v| b.has_key?(k) }) | |
end | |
end | |
diff = Diff.new({a: 2, b: 1}, {a: 2, b: 3}) | |
p diff.left # => {:b => 3} | |
p diff.right # => {:b => 1} |
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