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[meta] Remove unused traits

This commit is contained in:
Behdad Esfahbod 2021-11-02 00:06:30 -06:00
parent be42800fc6
commit 896e0c74a8
2 changed files with 0 additions and 59 deletions
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46
src/hb-meta.hh
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@ -311,52 +311,6 @@ template <> struct hb_int_max<unsigned long long> : hb_integral_constant<unsigne
TypeName(const TypeName&) = delete; \
void operator=(const TypeName&) = delete
template <typename T, typename>
struct _hb_is_destructible : hb_false_type {};
template <typename T>
struct _hb_is_destructible<T, hb_void_t<decltype (hb_declval (T).~T ())>> : hb_true_type {};
template <typename T>
using hb_is_destructible = _hb_is_destructible<T, void>;
#define hb_is_destructible(T) hb_is_destructible<T>::value
template <typename T, typename, typename ...Ts>
struct _hb_is_constructible : hb_false_type {};
template <typename T, typename ...Ts>
struct _hb_is_constructible<T, hb_void_t<decltype (T (hb_declval (Ts)...))>, Ts...> : hb_true_type {};
template <typename T, typename ...Ts>
using hb_is_constructible = _hb_is_constructible<T, void, Ts...>;
#define hb_is_constructible(...) hb_is_constructible<__VA_ARGS__>::value
template <typename T>
using hb_is_default_constructible = hb_is_constructible<T>;
#define hb_is_default_constructible(T) hb_is_default_constructible<T>::value
template <typename T>
using hb_is_copy_constructible = hb_is_constructible<T, hb_add_lvalue_reference<hb_add_const<T>>>;
#define hb_is_copy_constructible(T) hb_is_copy_constructible<T>::value
template <typename T>
using hb_is_move_constructible = hb_is_constructible<T, hb_add_rvalue_reference<hb_add_const<T>>>;
#define hb_is_move_constructible(T) hb_is_move_constructible<T>::value
template <typename T, typename U, typename>
struct _hb_is_assignable : hb_false_type {};
template <typename T, typename U>
struct _hb_is_assignable<T, U, hb_void_t<decltype (hb_declval (T) = hb_declval (U))>> : hb_true_type {};
template <typename T, typename U>
using hb_is_assignable = _hb_is_assignable<T, U, void>;
#define hb_is_assignable(T,U) hb_is_assignable<T, U>::value
template <typename T>
using hb_is_copy_assignable = hb_is_assignable<hb_add_lvalue_reference<T>,
hb_add_lvalue_reference<hb_add_const<T>>>;
#define hb_is_copy_assignable(T) hb_is_copy_assignable<T>::value
template <typename T>
using hb_is_move_assignable = hb_is_assignable<hb_add_lvalue_reference<T>,
hb_add_rvalue_reference<T>>;
#define hb_is_move_assignable(T) hb_is_move_assignable<T>::value
/* hb_unwrap_type (T)
* If T has no T::type, returns T. Otherwise calls itself on T::type recursively.
*/

13
src/test-meta.cc
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@ -95,19 +95,6 @@ main (int argc, char **argv)
static_assert (hb_is_base_of (X, const Y), "");
static_assert (!hb_is_base_of (Y, X), "");
static_assert (hb_is_constructible (int), "");
static_assert (hb_is_constructible (int, int), "");
static_assert (hb_is_constructible (int, char), "");
static_assert (hb_is_constructible (int, long), "");
static_assert (!hb_is_constructible (int, X), "");
static_assert (!hb_is_constructible (int, int, int), "");
static_assert (hb_is_constructible (X), "");
static_assert (!hb_is_constructible (X, int), "");
static_assert (hb_is_constructible (X, X), "");
static_assert (!hb_is_constructible (X, X, X), "");
static_assert (hb_is_constructible (X, Y), "");
static_assert (!hb_is_constructible (Y, X), "");
static_assert (hb_is_signed (hb_unwrap_type (U<U<U<int>>>)), "");
static_assert (hb_is_unsigned (hb_unwrap_type (U<U<U<U<unsigned>>>>)), "");