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import _arity from './internal/_arity';import _pipe from './internal/_pipe';import reduce from './reduce';import tail from './tail';

/** * Performs left-to-right function composition. The first argument may have * any arity; the remaining arguments 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 * *      const 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))) */export default 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))  );}