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Just use the anonymous union

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Steven Dee (Jōshin) 2024-06-19 07:18:33 -07:00
parent e2f19d5173
commit 0cf4617828
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1 changed files with 10 additions and 8 deletions
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18
ctl/string.h
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@ -350,36 +350,38 @@ class string
{
if (isbig())
__builtin_trap();
return reinterpret_cast<__::small_string*>(blob);
return &__s;
}
inline const __::small_string* small() const noexcept
{
if (isbig())
__builtin_trap();
return reinterpret_cast<const __::small_string*>(blob);
return &__s;
}
inline __::big_string* big() noexcept
{
if (!isbig())
__builtin_trap();
return reinterpret_cast<__::big_string*>(blob);
return &__b;
}
inline const __::big_string* big() const noexcept
{
if (!isbig())
__builtin_trap();
return reinterpret_cast<const __::big_string*>(blob);
return &__b;
}
friend string strcat(string_view, string_view);
alignas(union {
__::big_string a;
__::small_string b;
}) char blob[__::string_size];
union
{
__::big_string __b;
__::small_string __s;
char blob[__::string_size];
};
};
static_assert(sizeof(string) == __::string_size);