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module ActiveSupport #:nodoc:
module CoreExtensions #:nodoc:
module Array #:nodoc:
# Makes it easier to access parts of an array.
module Access
# 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) # => nil
# %w().from(0) # => nil
def from(position)
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 <tt>self[1]</tt>.
def second
self[1]
end
# Equal to <tt>self[2]</tt>.
def third
self[2]
end
# Equal to <tt>self[3]</tt>.
def fourth
self[3]
end
# Equal to <tt>self[4]</tt>.
def fifth
self[4]
end
# Equal to <tt>self[41]</tt>. Also known as accessing "the reddit".
def forty_two
self[41]
end
end
end
end
end
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