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Use standard context in print

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This commit is contained in:
Victor Zverovich
2024-10-20 09:08:24 -07:00
parent a16ff5787b
commit 2b6a786e35
2 changed files with 15 additions and 3 deletions
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6
include/fmt/compile.h
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@ -524,9 +524,9 @@ FMT_CONSTEXPR20 auto formatted_size(const S& fmt, const Args&... args)
template <typename S, typename... Args, template <typename S, typename... Args,
FMT_ENABLE_IF(detail::is_compiled_string<S>::value)> FMT_ENABLE_IF(detail::is_compiled_string<S>::value)>
void print(std::FILE* f, const S& fmt, const Args&... args) { void print(std::FILE* f, const S& fmt, const Args&... args) {
memory_buffer buffer; auto buf = memory_buffer();
fmt::format_to(std::back_inserter(buffer), fmt, args...); fmt::format_to(appender(buf), fmt, args...);
detail::print(f, {buffer.data(), buffer.size()}); detail::print(f, {buf.data(), buf.size()});
} }
template <typename S, typename... Args, template <typename S, typename... Args,

12
test/compile-test.cc
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@ -265,11 +265,23 @@ TEST(compile_test, to_string_and_formatter) {
fmt::format(FMT_COMPILE("{}"), to_stringable()); fmt::format(FMT_COMPILE("{}"), to_stringable());
} }
struct std_context_test {};
FMT_BEGIN_NAMESPACE
template <> struct formatter<std_context_test> : formatter<int> {
auto format(std_context_test, format_context& ctx) const
-> decltype(ctx.out()) {
return ctx.out();
}
};
FMT_END_NAMESPACE
TEST(compile_test, print) { TEST(compile_test, print) {
EXPECT_WRITE(stdout, fmt::print(FMT_COMPILE("Don't {}!"), "panic"), EXPECT_WRITE(stdout, fmt::print(FMT_COMPILE("Don't {}!"), "panic"),
"Don't panic!"); "Don't panic!");
EXPECT_WRITE(stderr, fmt::print(stderr, FMT_COMPILE("Don't {}!"), "panic"), EXPECT_WRITE(stderr, fmt::print(stderr, FMT_COMPILE("Don't {}!"), "panic"),
"Don't panic!"); "Don't panic!");
fmt::print(FMT_COMPILE("{}"), std_context_test());
} }
#endif #endif