值参数不可见

// sum is NOT point-free...
// nums parameter is showing
const sum = (nums) => nums.reduce((x, y) => x + y, 0);
// sum is point-free
import { add, reduce } from 'ramda';
const sum = reduce(add, 0);
// This is okay too,
// but inner function (x, y) => {} isn't point-free
import { reduce } from 'ramda';
const sum = reduce((x, y) => x + y, 0);