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// RUN: %clang_cc1 -std=c++11 -verify %s
constexpr const char *operator "" _id(const char *p) { return p; }
constexpr const char *s = "foo"_id "bar" "baz"_id "quux";
constexpr bool streq(const char *p, const char *q) {
return *p == *q && (!*p || streq(p+1, q+1));
}
static_assert(streq(s, "foobarbazquux"), "");
constexpr const char *operator "" _trim(const char *p) {
return *p == ' ' ? operator "" _trim(p + 1) : p;
}
constexpr const char *t = " " " "_trim " foo";
// FIXME: once we implement the semantics of user-defined literals, this should
// pass.
static_assert(streq(s, "foo"), ""); // expected-error {{static_assert}}
const char *u = "foo" "bar"_id "baz" "quux"_di "corge"; // expected-error {{differing user-defined suffixes ('_id' and '_di') in string literal concatenation}}
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