Flowdock
method

compact!

Importance_1
Ruby latest stable (v2_5_5) - 0 notes - Class: Hash
compact!() public

Removes all nil values from the hash. Returns nil if no changes were made, otherwise returns the hash.

h = { a: 1, b: false, c: nil }
h.compact!     #=> { a: 1, b: false }
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