Enumerable#every - Symbol#to_proc's hot cousin
Example:
enum = [1.4, 2.4 ,3.4]
enum.map {|n| n.floor } #=> [1, 2, 3]
enum.map(&:floor) #=> [1, 2, 3]
enum.every.floor #=> [1, 2, 3]
More details at mynyml.com (Github repository)
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