Ramda partial
var R = require("../source/index.js");
var eq = require("./shared/eq.js");


describe("partial", function() {
  var disc = function(a, b, c) { // note disc(3, 7, 4) => 1
    return b * b - 4 * a * c;
  };

  it("caches the initially supplied arguments", function() {
    var f = R.partial(disc, [3]);
    eq(f(7, 4), 1);
    var g = R.partial(disc, [3, 7]);
    eq(g(4), 1);
  });

  it("correctly reports the arity of the new function", function() {
    var f = R.partial(disc, [3]);
    eq(f.length, 2);
    var g = R.partial(disc, [3, 7]);
    eq(g.length, 1);
  });

});

keywords: Ramda