ruby get the first element of an array
array = [1, 2, 3]
array.first
=> 1ruby get the first element of an array
array = [1, 2, 3]
array.first
=> 1ruby .first
# Returns the first element, or the first n elements, of the array.
# If the array is empty, the first form returns nil,
# and the second form returns an empty array.
a = [ "q", "r", "s", "t" ]
a.first #=> "q"
a.first(2) #=> ["q", "r"]
[46] pry(main)> a = []
=> []
[47] pry(main)> a.first
=> nil
[48] pry(main)> a.first(2)
=> []Copyright © 2021 Codeinu
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