code: function pipe() {
  	  if (arguments.length === 0) {
  	    throw new Error('pipe requires at least one argument');
  	  }
  	  return _arity(arguments[0].length, reduce(_pipe, arguments[0], tail(arguments)));
  	}
docs: Performs left-to-right function composition. The leftmost function may have
  any arity; the remaining functions must be unary.
  
  In some libraries this function is named `sequence`.
  
  **Note:** The result of pipe is not automatically curried.
  
  @func
  @memberOf R
  @since v0.1.0
  @category Function
  @sig (((a, b, ..., n) -> o), (o -> p), ..., (x -> y), (y -> z)) -> ((a, b, ..., n) -> z)
  @param {...Function} functions
  @return {Function}
  @see R.compose
  @example
  
  var f = R.pipe(Math.pow, R.negate, R.inc);
  
  f(3, 4); // -(3^4) + 1
  @symb R.pipe(f, g, h)(a, b) = h(g(f(a, b)))