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[mruby.git]
/
mrbgems
/
mruby-array-ext
/
mrblib
/
array.rb
blob
b3ff9bfca88f485719033fefe5b6f60da03577d4
1
class Array
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def uniq!
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ary = self.dup
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result = []
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while ary.size > 0
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result << ary.shift
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ary.delete(result.last)
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end
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if result.size == self.size
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nil
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else
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self.replace(result)
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end
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end
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def uniq
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ary = self.dup
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ary.uniq!
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ary
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end
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def -(elem)
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raise TypeError, "can't convert to Array" unless elem.class == Array
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hash = {}