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bgmarx/gist:c847a56c2cc33b5395ea

Created April 17, 2015 20:44
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reverse implementation
Raw
gistfile1.rb
def rev(str)
lp = 0
rp = str.length - 1
while lp < rp
temp = str[lp]
str[lp] = str[rp]
str[rp] = str[lp]
lp += 1
rp -= 1
end
str
end
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