Function func_map

src/danfojs-node/test/core/series.test.ts:864–866

(x: any)

        it("map series element to a function statement", function () {
            const sf = new Series([1, 2, 3, 4]);
            const func_map = (x: any) => {
                return x + 1;
            };
            const rslt = [2, 3, 4, 5];
            assert.deepEqual((sf.map(func_map)).values, rslt);
        });