Re: [Python-ideas] data structures should have an .any() method

Sept. 4, 2009


      04-09-2009 Nick Coghlan <ncoghlan@gmail.com> wrote:
...
def getany(container)
  if container:
    if isinstance(container, collections.Sequence):
      return container[0]
    else:
      for x in container:
        return x
  raise ValueError("No items in container")
or simpler:

     def getany(container):
         try:
             return next(iter(container))
         except StopIteration
             raise ValueError("No items in container")

-- 
Jan Kaliszewski (zuo) <zuo@chopin.edu.pl>