ary.unshift(obj, ...) รข ary
Instance Public methods
Prepends objects to the front of self, moving other elements
upwards. See also #shift for the
opposite effect.
a = [ "b", "c", "d" ]
a.unshift("a") #=> ["a", "b", "c", "d"]
a.unshift(1, 2) #=> [ 1, 2, "a", "b", "c", "d"]
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