27 lines
768 B
Ruby
27 lines
768 B
Ruby
module ActiveSupport #:nodoc:
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module CoreExtensions #:nodoc:
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module Array #:nodoc:
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# Makes it easier to access parts of an array.
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module Access
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# Returns the tail of the array from +position+.
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#
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# %w( a b c d ).from(0) # => %w( a b c d )
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# %w( a b c d ).from(2) # => %w( c d )
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# %w( a b c d ).from(10) # => nil
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def from(position)
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self[position..-1]
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end
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# Returns the beginning of the array up to +position+.
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#
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# %w( a b c d ).to(0) # => %w( a )
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# %w( a b c d ).to(2) # => %w( a b c )
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# %w( a b c d ).to(10) # => %w( a b c d )
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def to(position)
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self[0..position]
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end
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end
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end
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end
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end
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