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// RUN: %clang_cc1 -fchar8_t -std=c++2a -verify %s
char8_t a = u8'a';
char8_t b[] = u8"foo";
char8_t c = 'a';
char8_t d[] = "foo"; // expected-error {{initializing 'char8_t' array with plain string literal}} expected-note {{add 'u8' prefix}}
char e = u8'a';
char f[] = u8"foo"; // expected-error {{initialization of char array with UTF-8 string literal is not permitted by '-fchar8_t'}}
char g = 'a';
char h[] = "foo";
void disambig() {
char8_t (a) = u8'x';
}
void operator""_a(char);
void operator""_a(const char*, decltype(sizeof(0)));
void test_udl1() {
int &x = u8'a'_a; // expected-error {{no matching literal operator}}
float &y = u8"a"_a; // expected-error {{no matching literal operator}}
}
int &operator""_a(char8_t);
float &operator""_a(const char8_t*, decltype(sizeof(0)));
void test_udl2() {
int &x = u8'a'_a;
float &y = u8"a"_a;
}
template<typename E, typename T> void check(T &&t) {
using Check = E;
using Check = T;
}
void check_deduction() {
check<char8_t>(u8'a');
check<const char8_t(&)[5]>(u8"a\u1000");
}
static_assert(sizeof(char8_t) == 1);
static_assert(char8_t(-1) > 0);
static_assert(u8"\u0080"[0] > 0);
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