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19 changes: 18 additions & 1 deletion lib/array_equals.rb
Original file line number Diff line number Diff line change
@@ -1,5 +1,22 @@
# Determines if the two input arrays have the same count of elements
# and the same integer values in the same exact order
def array_equals(array1, array2)
raise NotImplementedError
index = 0
# edge cases
if (array1 == nil && array2 == nil) || (array1 == [] && array2 == [])
return true
elsif array1 == nil || array2 == nil
return false
end
# compare # of items in each array
# compare each item individually in array1 and array2
if array1.length != array2.length
return false
else
while index < array1.length do
return false if array1[index] != array2[index]
index += 1
end
end
return true
end