static upToConditional(n) {
        const isModuloOf = mod => i => i % mod === 0;
        const fb = R.cond([
            [isModuloOf(15), R.always('fizzbuzz')],
            [isModuloOf(5), R.always('buzz')],
            [isModuloOf(3), R.always('fizz')],
            [R.T, i => '' + i]
        ]);

        return R.map(fb, R.range(1, R.inc(n)));
	}

    static upToPipeline(n) {
		const isModuloOf = mod => (i: any): boolean => i % mod === 0;
		const apply = (m, s) => R.when(isModuloOf(m), R.always(s))

		const fizzBuzz = apply(15, 'fizzbuzz')
		const fizz = apply(3, 'fizz')
		const buzz = apply(5, 'buzz')

		const fizzbuzzPipeline = R.pipe(fizzBuzz, fizz, buzz, (i) => '' + i)

        return R.map(fizzbuzzPipeline, R.range(1, R.inc(n)));
    }

    static upToLookUp(n) {
        const s = R.toString
        const f = R.always('fizz');
        const b = R.always('buzz');
        const fb = R.always(f() + b());
        const funs = [s, s, f, s, b, f, s, s, f, b, s, f, s, s, fb];

        const selectFun: any = (n) => R.nth(R.modulo(R.dec(n), 15), funs);
        const fizzBuzzify = (n) => R.call(selectFun(n), n);

        return R.map(fizzBuzzify, R.range(1, R.inc(n)));
    }

 const replaceBlanksWithNumber = (fb, idx) => R.isEmpty(fb) ? '' + R.inc(idx) : fb;