BlackMATov/meta.hpp
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delete uvalue::try_as for rvalue values

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BlackMATov
2024-02-06 11:02:11 +07:00
parent 5db1923cb0
commit 928221eeee
5 changed files with 42 additions and 37 deletions
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1
ROADMAP.md
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@@ -6,7 +6,6 @@
- fix all includes to work with the library more flexible
- remove ctor_type and dtor_type?
- add variadic variant of invoking to meta_invoke
- delete rvalue uvalue::as/try_as for pointers
## Version 1.0

38
develop/singles/headers/meta.hpp/meta_all.hpp
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@@ -2496,13 +2496,13 @@ namespace meta_hpp
template < pointer_kind T >
[[nodiscard]] T as() const;
template < non_pointer_kind T >
[[nodiscard]] T as() &&;
template < non_pointer_kind T >
[[nodiscard]] T& as() &;
template < non_pointer_kind T >
[[nodiscard]] const T& as() const&;
template < non_pointer_kind T >
[[nodiscard]] T as() &&;
template < non_pointer_kind T >
[[nodiscard]] const T&& as() const&&;
template < pointer_kind T >
@@ -2511,9 +2511,13 @@ namespace meta_hpp
[[nodiscard]] T try_as() const noexcept;
template < non_pointer_kind T >
[[nodiscard]] T* try_as() noexcept;
[[nodiscard]] T* try_as() & noexcept;
template < non_pointer_kind T >
[[nodiscard]] const T* try_as() const noexcept;
[[nodiscard]] const T* try_as() const& noexcept;
template < non_pointer_kind T >
void try_as() && = delete;
template < non_pointer_kind T >
void try_as() const&& = delete;
private:
struct vtable_t;
@@ -10635,17 +10639,6 @@ namespace meta_hpp
throw_exception(error_code::bad_uvalue_access);
}
template < non_pointer_kind T >
T uvalue::as() && {
static_assert(std::is_same_v<T, std::decay_t<T>>);
if ( T* ptr = try_as<T>() ) {
return std::move(*ptr);
}
throw_exception(error_code::bad_uvalue_access);
}
template < non_pointer_kind T >
T& uvalue::as() & {
static_assert(std::is_same_v<T, std::decay_t<T>>);
@@ -10668,6 +10661,17 @@ namespace meta_hpp
throw_exception(error_code::bad_uvalue_access);
}
template < non_pointer_kind T >
T uvalue::as() && {
static_assert(std::is_same_v<T, std::decay_t<T>>);
if ( T* ptr = try_as<T>() ) {
return std::move(*ptr);
}
throw_exception(error_code::bad_uvalue_access);
}
template < non_pointer_kind T >
const T&& uvalue::as() const&& {
static_assert(std::is_same_v<T, std::decay_t<T>>);
@@ -10708,7 +10712,7 @@ namespace meta_hpp
}
template < non_pointer_kind T >
T* uvalue::try_as() noexcept {
T* uvalue::try_as() & noexcept {
static_assert(std::is_same_v<T, std::decay_t<T>>);
using namespace detail;
@@ -10722,7 +10726,7 @@ namespace meta_hpp
}
template < non_pointer_kind T >
const T* uvalue::try_as() const noexcept {
const T* uvalue::try_as() const& noexcept {
static_assert(std::is_same_v<T, std::decay_t<T>>);
using namespace detail;

2
develop/untests/meta_utilities/value3_tests.cpp
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@@ -224,9 +224,7 @@ TEST_CASE("meta/meta_utilities/value3/try_as") {
namespace meta = meta_hpp;
static_assert(std::is_same_v<decltype(std::declval<meta::uvalue&>().try_as<derived>()), derived*>);
static_assert(std::is_same_v<decltype(std::declval<meta::uvalue&&>().try_as<derived>()), derived*>);
static_assert(std::is_same_v<decltype(std::declval<const meta::uvalue&>().try_as<derived>()), const derived*>);
static_assert(std::is_same_v<decltype(std::declval<const meta::uvalue&&>().try_as<derived>()), const derived*>);
static_assert(std::is_same_v<decltype(std::declval<meta::uvalue&>().try_as<derived*>()), derived*>);
static_assert(std::is_same_v<decltype(std::declval<meta::uvalue&&>().try_as<derived*>()), derived*>);

12
headers/meta.hpp/meta_uvalue.hpp
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@@ -87,13 +87,13 @@ namespace meta_hpp
template < pointer_kind T >
[[nodiscard]] T as() const;
template < non_pointer_kind T >
[[nodiscard]] T as() &&;
template < non_pointer_kind T >
[[nodiscard]] T& as() &;
template < non_pointer_kind T >
[[nodiscard]] const T& as() const&;
template < non_pointer_kind T >
[[nodiscard]] T as() &&;
template < non_pointer_kind T >
[[nodiscard]] const T&& as() const&&;
template < pointer_kind T >
@@ -102,9 +102,13 @@ namespace meta_hpp
[[nodiscard]] T try_as() const noexcept;
template < non_pointer_kind T >
[[nodiscard]] T* try_as() noexcept;
[[nodiscard]] T* try_as() & noexcept;
template < non_pointer_kind T >
[[nodiscard]] const T* try_as() const noexcept;
[[nodiscard]] const T* try_as() const& noexcept;
template < non_pointer_kind T >
void try_as() && = delete;
template < non_pointer_kind T >
void try_as() const&& = delete;
private:
struct vtable_t;

26
headers/meta.hpp/meta_uvalue/uvalue.hpp
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@@ -442,17 +442,6 @@ namespace meta_hpp
throw_exception(error_code::bad_uvalue_access);
}
template < non_pointer_kind T >
T uvalue::as() && {
static_assert(std::is_same_v<T, std::decay_t<T>>);
if ( T* ptr = try_as<T>() ) {
return std::move(*ptr);
}
throw_exception(error_code::bad_uvalue_access);
}
template < non_pointer_kind T >
T& uvalue::as() & {
static_assert(std::is_same_v<T, std::decay_t<T>>);
@@ -475,6 +464,17 @@ namespace meta_hpp
throw_exception(error_code::bad_uvalue_access);
}
template < non_pointer_kind T >
T uvalue::as() && {
static_assert(std::is_same_v<T, std::decay_t<T>>);
if ( T* ptr = try_as<T>() ) {
return std::move(*ptr);
}
throw_exception(error_code::bad_uvalue_access);
}
template < non_pointer_kind T >
const T&& uvalue::as() const&& {
static_assert(std::is_same_v<T, std::decay_t<T>>);
@@ -515,7 +515,7 @@ namespace meta_hpp
}
template < non_pointer_kind T >
T* uvalue::try_as() noexcept {
T* uvalue::try_as() & noexcept {
static_assert(std::is_same_v<T, std::decay_t<T>>);
using namespace detail;
@@ -529,7 +529,7 @@ namespace meta_hpp
}
template < non_pointer_kind T >
const T* uvalue::try_as() const noexcept {
const T* uvalue::try_as() const& noexcept {
static_assert(std::is_same_v<T, std::decay_t<T>>);
using namespace detail;