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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()) if (isbig())
__builtin_trap(); __builtin_trap();
return reinterpret_cast<__::small_string*>(blob); return &__s;
} }
inline const __::small_string* small() const noexcept inline const __::small_string* small() const noexcept
{ {
if (isbig()) if (isbig())
__builtin_trap(); __builtin_trap();
return reinterpret_cast<const __::small_string*>(blob); return &__s;
} }
inline __::big_string* big() noexcept inline __::big_string* big() noexcept
{ {
if (!isbig()) if (!isbig())
__builtin_trap(); __builtin_trap();
return reinterpret_cast<__::big_string*>(blob); return &__b;
} }
inline const __::big_string* big() const noexcept inline const __::big_string* big() const noexcept
{ {
if (!isbig()) if (!isbig())
__builtin_trap(); __builtin_trap();
return reinterpret_cast<const __::big_string*>(blob); return &__b;
} }
friend string strcat(string_view, string_view); friend string strcat(string_view, string_view);
alignas(union { union
__::big_string a; {
__::small_string b; __::big_string __b;
}) char blob[__::string_size]; __::small_string __s;
char blob[__::string_size];
};
}; };
static_assert(sizeof(string) == __::string_size); static_assert(sizeof(string) == __::string_size);