class String

def fit(width=WordWrap::DEFAULT_WIDTH)
  WordWrap.ww(self, width, true)
end

def fit!(width=WordWrap::DEFAULT_WIDTH)
  replace fit(width)
end

def wrap(width=WordWrap::DEFAULT_WIDTH)
  WordWrap.ww(self, width, false)
end

def wrap!(width=WordWrap::DEFAULT_WIDTH)
  replace wrap(width)
end