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Create ruby-array-index-i.rb #314

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Create ruby-array-index-i.rb #314

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20 changes: 20 additions & 0 deletions Ruby/ruby-array-index-i.rb
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Original file line number Diff line number Diff line change
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def element_at(arr, index)
# return the element of the Array variable `arr` at the position `index`
# arr.at(index) # or
return arr[index]
end

def inclusive_range(arr, start_pos, end_pos)
# return the elements of the Array variable `arr` between the start_pos and end_pos (both inclusive)
return arr[start_pos..end_pos]
end

def non_inclusive_range(arr, start_pos, end_pos)
# return the elements of the Array variable `arr`, start_pos inclusive and end_pos exclusive
return arr[start_pos...end_pos]
end

def start_and_length(arr, start_pos, length)
# return `length` elements of the Array variable `arr` starting from `start_pos`
return arr[start_pos, length]
end