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add get_or(value, key, opt)

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ToruNiina
2018-12-13 01:29:23 +09:00
parent 901c299c40
commit affa159c82
1 changed files with 28 additions and 0 deletions
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28
toml/get.hpp
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@@ -398,6 +398,7 @@ get_or(toml::value&& v, T&& opt)
} }
} }
template<typename T> template<typename T>
auto get_or(const toml::table& tab, const toml::key& ky, T&& opt) auto get_or(const toml::table& tab, const toml::key& ky, T&& opt)
-> decltype(get_or(std::declval<value const&>(), std::forward<T>(opt))) -> decltype(get_or(std::declval<value const&>(), std::forward<T>(opt)))
@@ -420,6 +421,33 @@ auto get_or(toml::table&& tab, const toml::key& ky, T&& opt)
return ::toml::get_or(std::move(tab[ky]), std::forward<T>(opt)); return ::toml::get_or(std::move(tab[ky]), std::forward<T>(opt));
} }
template<typename T>
auto get_or(const toml::value& v, const toml::key& ky, T&& opt)
-> decltype(get_or(std::declval<value const&>(), std::forward<T>(opt)))
{
if(v.type() != toml::value_t::Table){return std::forward<T>(opt);}
const auto& tab = toml::get<toml::table>(v);
if(tab.count(ky) == 0) {return std::forward<T>(opt);}
return ::toml::get_or(tab.at(ky), std::forward<T>(opt));
}
template<typename T>
auto get_or(toml::value& v, const toml::key& ky, T&& opt)
-> decltype(get_or(std::declval<value&>(), std::forward<T>(opt)))
{
if(v.type() != toml::value_t::Table){return std::forward<T>(opt);}
auto& tab = toml::get<toml::table>(v);
if(tab.count(ky) == 0) {return std::forward<T>(opt);}
return ::toml::get_or(tab[ky], std::forward<T>(opt));
}
template<typename T>
auto get_or(toml::value&& v, const toml::key& ky, T&& opt)
-> decltype(get_or(std::declval<value&&>(), std::forward<T>(opt)))
{
if(v.type() != toml::value_t::Table){return std::forward<T>(opt);}
auto tab = toml::get<toml::table>(std::move(v));
if(tab.count(ky) == 0) {return std::forward<T>(opt);}
return ::toml::get_or(std::move(tab[ky]), std::forward<T>(opt));
}
// ============================================================================ // ============================================================================
// expect // expect