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fix #216, fix #199

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This commit is contained in:
neargye 2022-11-07 21:00:16 +04:00
parent 596f00c0db
commit 8bd403f888
10 changed files with 502 additions and 298 deletions
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21
example/example_switch.cpp
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@ -22,8 +22,8 @@
// SOFTWARE.
#include <iostream>
#include <magic_enum.hpp>
#define MAGIC_ENUM_ENABLE_HASH
#include <magic_enum_switch.hpp>
enum class Color { RED, BLUE, GREEN };
@ -64,9 +64,9 @@ int main() {
}
};
magic_enum::enum_switch<Color>(switcher1, 2 /* GREEN */); // prints nothing
magic_enum::enum_switch<Color>(switcher1, 1 /* BLUE */); // prints "Blue"
magic_enum::enum_switch<Color>(switcher1, 0 /* RED */); // prints "Red"
magic_enum::enum_switch(switcher1, Color::GREEN); // prints nothing
magic_enum::enum_switch(switcher1, Color::BLUE); // prints "Blue"
magic_enum::enum_switch(switcher1, Color::RED); // prints "Red"
// explicit result type
auto switcher2 = overloaded{
@ -86,23 +86,18 @@ int main() {
assert(empty.empty());
// result with default object
std::cout << magic_enum::enum_switch<Color, std::string>(switcher2, -3, "unrecognized") << std::endl; // prints "unrecognized"
std::cout << magic_enum::enum_switch<std::string>(switcher2, static_cast<Color>(-3), "unrecognized") << std::endl; // prints "unrecognized"
auto switcher3 = overloaded{
[] (magic_enum::enum_constant<Color::RED>) {
[] (magic_enum::enum_constant<Color::RED>) -> std::optional<std::string> {
return "red result";
},
[] (magic_enum::enum_constant<Color::BLUE>) {
[] (magic_enum::enum_constant<Color::BLUE>) -> std::optional<std::string> {
return std::nullopt;
}
};
std::cout << std::boolalpha;
std::cout << magic_enum::enum_switch<Color>(switcher3, "GREEN", std::make_optional("cica")).value() << std::endl; // prints default: "cica"
std::cout << magic_enum::enum_switch<Color>(switcher3, "RED", std::make_optional("cica")).value() << std::endl; // prints: "red result"
std::cout << magic_enum::enum_switch<Color>(switcher3, "BLUE", std::make_optional("cica")).has_value() << std::endl; // prints: false
std::cout << magic_enum::enum_switch<Color>(switcher3, "red", std::make_optional("cica"), magic_enum::case_insensitive).value() << std::endl; // prints: "red result"
std::cout << magic_enum::enum_switch(switcher3, Color::GREEN, std::make_optional("cica")).value() << std::endl; // prints default: "cica"
std::cout << magic_enum::enum_switch(switcher3, Color::RED, std::make_optional("cica")).value() << std::endl; // prints: "red result"
std::cout << magic_enum::enum_switch(switcher3, Color::BLUE, std::make_optional("cica")).has_value() << std::endl; // prints: false