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-  Foxtable(狐表)  (http://www.foxtable.com/bbs/index.asp)
--  专家坐堂  (http://www.foxtable.com/bbs/list.asp?boardid=2)
----  safeEqval  (http://www.foxtable.com/bbs/dispbbs.asp?boardid=2&id=184396)

--  作者:listfor
--  发布时间:2022/12/5 16:06:00
--  safeEqval
def safeEqual(a: String, b: String) = {
  if (a.length != b.length) {
    false
  } else {
    var equal = 0
    for (i <- Array.range(0, a.length)) {
      equal |= a(i) ^ b(i)
    }
    equal == 0
  }
}