class Array
# Returns the tail of the array from +position+.
#
# %w( a b c d ).from(0) # => %w( a b c d )
# %w( a b c d ).from(2) # => %w( c d )
# %w( a b c d ).from(10) # => %w()
# %w().from(0) # => %w()
def from(position)
position > length ? [] : self[position..-1]
end
# Returns the beginning of the array up to +position+.
#
# %w( a b c d ).to(0) # => %w( a )
# %w( a b c d ).to(2) # => %w( a b c )
# %w( a b c d ).to(10) # => %w( a b c d )
# %w().to(0) # => %w()
def to(position)
self[0..position]
end
# Equal to self[1].
def second
self[1]
end
# Equal to self[2].
def third
self[2]
end
# Equal to self[3].
def fourth
self[3]
end
# Equal to self[4].
def fifth
self[4]
end
# Equal to self[41]. Also known as accessing "the reddit".
def forty_two
self[41]
end
end