rewrite example/fizzbuzz

This commit is contained in:
bolero-MURAKAMI 2014-02-20 08:12:02 +09:00
parent 2905965f24
commit bf0f36d5a9

View file

@ -12,30 +12,20 @@
// Boost Software License - Version 1.0
// <http://www.boost.org/LICENSE_1_0.txt>
//
#include <sprout/algorithm/transform.hpp>
#include <sprout/array.hpp>
#include <sprout/string.hpp>
#include <sprout/numeric/iota.hpp>
#include <iostream>
struct fizzbuzz{
typedef sprout::string<12> result_type;
constexpr result_type
operator()(int n) const {
return n % 15 == 0 ? sprout::to_string("FizzBuzz")
: n % 3 == 0 ? sprout::to_string("Fizz")
: n % 5 == 0 ? sprout::to_string("Buzz")
return n % 15 == 0 ? "FizzBuzz"
: n % 3 == 0 ? "Fizz"
: n % 5 == 0 ? "Buzz"
: sprout::to_string(n);
}
};
int
main(){
typedef fizzbuzz::result_type string;
//
// Test
//
@ -45,6 +35,17 @@ main(){
static_assert(fizzbuzz()( 5) == "Buzz", "");
static_assert(fizzbuzz()(15) == "FizzBuzz", "");
#include <sprout/array.hpp>
#include <sprout/algorithm/transform.hpp>
#include <sprout/numeric/iota.hpp>
#include <iostream>
int
main(){
typedef fizzbuzz::result_type string;
//
// Sequence [1..15]
//
@ -63,21 +64,9 @@ main(){
// Check result
//
constexpr auto fizzbuzz_result = sprout::make_array<string>(
sprout::to_string("1"),
sprout::to_string("2"),
sprout::to_string("Fizz"),
sprout::to_string("4"),
sprout::to_string("Buzz"),
sprout::to_string("Fizz"),
sprout::to_string("7"),
sprout::to_string("8"),
sprout::to_string("Fizz"),
sprout::to_string("Buzz"),
sprout::to_string("11"),
sprout::to_string("Fizz"),
sprout::to_string("13"),
sprout::to_string("14"),
sprout::to_string("FizzBuzz")
"1", "2", "Fizz", "4", "Buzz",
"Fizz", "7", "8", "Fizz", "Buzz",
"11", "Fizz", "13", "14", "FizzBuzz"
);
// Equal result sequence
static_assert(result == fizzbuzz_result, "");
@ -89,6 +78,4 @@ main(){
std::cout << str << ", ";
}
std::cout << std::endl;
return 0;
}