Makes it easier to access parts of an array.
Methods
Public Instance methods
Equal to self[4].
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# File activesupport/lib/active_support/core_ext/array/access.rb, line 42 42: def fifth 43: self[4] 44: end
Equal to self[41]. Also known as accessing "the reddit".
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# File activesupport/lib/active_support/core_ext/array/access.rb, line 47 47: def forty_two 48: self[41] 49: end
Equal to self[3].
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# File activesupport/lib/active_support/core_ext/array/access.rb, line 37 37: def fourth 38: self[3] 39: end
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
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# File activesupport/lib/active_support/core_ext/array/access.rb, line 12 12: def from(position) 13: self[position..-1] 14: end
Equal to self[1].
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# File activesupport/lib/active_support/core_ext/array/access.rb, line 27 27: def second 28: self[1] 29: end
Equal to self[2].
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# File activesupport/lib/active_support/core_ext/array/access.rb, line 32 32: def third 33: self[2] 34: 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()
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# File activesupport/lib/active_support/core_ext/array/access.rb, line 22 22: def to(position) 23: self[0..position] 24: end