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author | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
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committer | Carlo Zancanaro <carlo@pc-4w14-0.cs.usyd.edu.au> | 2012-10-15 17:10:06 +1100 |
commit | be1de4be954c80875ad4108e0a33e8e131b2f2c0 (patch) | |
tree | 1fbbecf276bf7c7bdcbb4dd446099d6d90eaa516 /clang/test/CXX/lex/lex.literal/lex.ext/p8.cpp | |
parent | c4626a62754862d20b41e8a46a3574264ea80e6d (diff) | |
parent | f1bd2e48c5324d3f7cda4090c87f8a5b6f463ce2 (diff) |
Merge branch 'master' of ssh://bitbucket.org/czan/honours
Diffstat (limited to 'clang/test/CXX/lex/lex.literal/lex.ext/p8.cpp')
-rw-r--r-- | clang/test/CXX/lex/lex.literal/lex.ext/p8.cpp | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/clang/test/CXX/lex/lex.literal/lex.ext/p8.cpp b/clang/test/CXX/lex/lex.literal/lex.ext/p8.cpp new file mode 100644 index 0000000..d907822 --- /dev/null +++ b/clang/test/CXX/lex/lex.literal/lex.ext/p8.cpp @@ -0,0 +1,18 @@ +// RUN: %clang_cc1 -std=c++11 -verify %s + +using size_t = decltype(sizeof(int)); +constexpr const char *operator "" _id(const char *p, size_t) { 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, size_t n) { + return *p == ' ' ? operator "" _trim(p + 1, n - 1) : p; +} +constexpr const char *t = " " " "_trim " foo"; +static_assert(streq(t, "foo"), ""); + +const char *u = "foo" "bar"_id "baz" "quux"_di "corge"; // expected-error {{differing user-defined suffixes ('_id' and '_di') in string literal concatenation}} |