Flowdock
method

compact!

Importance_1
v5.1.7 - Show latest stable - 0 notes - Class: Hash
compact!() public

Replaces current hash with non nil values. Returns nil if no changes were made, otherwise returns the hash.

hash = { a: true, b: false, c: nil }
hash.compact!        # => { a: true, b: false }
hash                 # => { a: true, b: false }
{ c: true }.compact! # => nil
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