Flowdock
method

diff

Importance_1
Ruby on Rails latest stable (v4.0.2) - 0 notes - Class: Hash
diff(other) public

Returns a hash that represents the difference between two hashes.

{1 => 2}.diff(1 => 2)         # => {}
{1 => 2}.diff(1 => 3)         # => {1 => 2}
{}.diff(1 => 2)               # => {1 => 2}
{1 => 2, 3 => 4}.diff(1 => 2) # => {3 => 4}
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