diff options
Diffstat (limited to 'lib/stdx.hpp')
| -rw-r--r-- | lib/stdx.hpp | 185 |
1 files changed, 96 insertions, 89 deletions
diff --git a/lib/stdx.hpp b/lib/stdx.hpp index 845bb67..25e4157 100644 --- a/lib/stdx.hpp +++ b/lib/stdx.hpp @@ -4,100 +4,107 @@ * Copyright 2023-2025, Amlal El Mahrouss all rights reserved. */ -#ifndef _STDX -#define _STDX +#ifndef _STDX_HPP +#define _STDX_HPP #include <stdexcept> +#include <utility> namespace stdx { - enum class ret - { - okay, - err - }; - - struct opt final - { - explicit opt(const ret& ret) - : m_ret(ret) - {} - - opt& expect(const char* input) - { - if (m_ret == ret::err) - { - throw std::runtime_error(input); - } - - return *this; - } - - private: - ret m_ret; - - }; - - template <typename Teller, typename... Lst> - stdx::ret eval(Teller tell, Lst&&... arg) - { - return tell(arg...) ? stdx::ret::okay : stdx::ret::err; - } - - namespace traits - { - struct int_eq_teller - { - explicit int_eq_teller() {} - - bool operator()(int a, int b) - { - return (a == b); - } - }; - - struct int_greater_than_teller - { - explicit int_greater_than_teller() {} - - bool operator()(int a, int b) - { - return (a > b); - } - }; - - struct int_less_than_teller - { - explicit int_less_than_teller() {} - - bool operator()(int a, int b) - { - return (a < b); - } - }; - } - - template <typename... Lst> - ret eval_less_than(Lst&&... arg) - { - static traits::int_less_than_teller eq; - return eq(arg...) ? ret::okay : ret::err; - } - - template <typename... Lst> - ret eval_eq(Lst&&... arg) - { - static traits::int_eq_teller less_than; - return less_than(arg...) ? ret::okay : ret::err; - } - - template <typename... Lst> - ret eval_greater(Lst&&... arg) - { - static traits::int_greater_than_teller greater_than; - return greater_than(arg...) ? ret::okay : ret::err; - } + enum class ret + { + okay, + err + }; + + struct opt final + { + explicit opt(const ret& ret) + : m_ret(ret) + { + } + + opt& expect(const char* input) + { + if (m_ret == ret::err) + { + throw std::runtime_error(input); + } + + return *this; + } + + private: + ret m_ret; + }; + + template <typename Teller, typename... Lst> + stdx::ret eval(Teller tell, Lst&&... arg) + { + return tell(std::forward<Lst>(arg)...) ? stdx::ret::okay : stdx::ret::err; + } + + namespace traits + { + struct int_eq_teller + { + explicit int_eq_teller() + { + } + + bool operator()(int a, int b) + { + return (a == b); + } + }; + + struct int_greater_than_teller + { + explicit int_greater_than_teller() + { + } + + bool operator()(int a, int b) + { + return (a > b); + } + }; + + struct int_less_than_teller + { + explicit int_less_than_teller() + { + } + + bool operator()(int a, int b) + { + return (a < b); + } + }; + } // namespace traits + + template <typename... Lst> + ret eval_less_than(Lst&&... arg) + { + static traits::int_less_than_teller eq; + return eq(std::forward<Lst>(arg)...) ? ret::okay : ret::err; + } + + template <typename... Lst> + ret eval_eq(Lst&&... arg) + { + static traits::int_eq_teller less_than; + return less_than(std::forward<Lst>(arg)...) ? ret::okay : ret::err; + } + + template <typename... Lst> + ret eval_greater(Lst&&... arg) + { + static traits::int_greater_than_teller greater_than; + return greater_than(std::forward<Lst>(arg)...) ? ret::okay : ret::err; + } } /* namespace stdx */ -#endif /* ifndef _STDX */ +#endif /* ifndef _STDX_HPP */ |
