git ssb

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module.exports = function pull (a) {
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  if (typeof a === 'function' && a.length === 1) {
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    var args = [].slice.call(arguments)
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    return function (read) {
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      args.unshift(read)
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      return pull.apply(null, args)
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    }
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  }
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  var read = a
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  var n = arguments.length
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  var i = 1
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  if (read && typeof read.source === 'function') {
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    read = read.source
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  }
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  for (; i < n; i++) {
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    var s = arguments[i]
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    if (typeof s === 'function') {
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      read = s(read)
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    } else if (s && typeof s === 'object') {
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      s.sink(read)
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      read = s.source
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    }
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  }
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  return read
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}
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