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Make format_to a non-member

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This commit is contained in:
Victor Zverovich 2019-08-03 08:35:02 -07:00
parent 3df0ea34e5
commit a5bd3ddb28
4 changed files with 24 additions and 24 deletions
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19
include/fmt/compile.h
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@ -185,14 +185,6 @@ class prepared_format {
prepared_format() = delete;
template <typename OutputIt>
inline OutputIt format_to(OutputIt out, const Args&... args) const {
typedef format_context_t<OutputIt, char_type> context;
typedef output_range<OutputIt, char_type> range;
format_arg_store<context, Args...> as(args...);
return this->vformat_to(range(out), basic_format_args<context>(as));
}
typedef buffer_context<char_type> context;
template <typename Range, typename Context>
@ -682,6 +674,17 @@ std::basic_string<Char> format(const CompiledFormat& cf, const Args&... args) {
return to_string(buffer);
}
template <typename OutputIt, typename CompiledFormat, typename... Args>
OutputIt format_to(OutputIt out, const CompiledFormat& cf,
const Args&... args) {
using char_type = typename CompiledFormat::char_type;
using range = internal::output_range<OutputIt, char_type>;
using context = format_context_t<OutputIt, char_type>;
format_arg_store<context, Args...> as(args...);
return cf.template vformat_to<range, context>(
range(out), {make_format_args<context>(args...)});
}
template <typename OutputIt, typename CompiledFormat, typename... Args,
FMT_ENABLE_IF(internal::is_output_iterator<OutputIt>::value)>
format_to_n_result<OutputIt> format_to_n(OutputIt out, unsigned n,

7
include/fmt/format.h
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@ -3368,11 +3368,10 @@ inline OutputIt vformat_to(OutputIt out, const S& format_str,
fmt::format_to(std::back_inserter(out), "{}", 42);
\endrst
*/
template <typename OutputIt, typename S, typename... Args>
template <typename OutputIt, typename S, typename... Args,
FMT_ENABLE_IF(internal::is_output_iterator<OutputIt>::value&&
internal::is_string<S>::value)>
inline OutputIt format_to(OutputIt out, const S& format_str, Args&&... args) {
static_assert(internal::is_output_iterator<OutputIt>::value &&
internal::is_string<S>::value,
"");
internal::check_format_string<Args...>(format_str);
using context = format_context_t<OutputIt, char_t<S>>;
return vformat_to(out, to_string_view(format_str),

10
include/fmt/safe-duration-cast.h
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@ -257,16 +257,14 @@ To safe_duration_cast(std::chrono::duration<FromRep, FromPeriod> from,
// multiply with Factor::num without overflow or underflow
if (Factor::num != 1) {
constexpr auto max1 =
std::numeric_limits<IntermediateRep>::max() /
static_cast<IntermediateRep>(Factor::num);
constexpr auto max1 = std::numeric_limits<IntermediateRep>::max() /
static_cast<IntermediateRep>(Factor::num);
if (count > max1) {
ec = 1;
return {};
}
constexpr auto min1 =
std::numeric_limits<IntermediateRep>::lowest() /
static_cast<IntermediateRep>(Factor::num);
constexpr auto min1 = std::numeric_limits<IntermediateRep>::lowest() /
static_cast<IntermediateRep>(Factor::num);
if (count < min1) {
ec = 1;
return {};

12
test/compile-test.cc
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@ -643,32 +643,32 @@ TEST(PrepareTest, PassUserTypeFormat) {
TEST(PrepareTest, FormatToArrayOfChars) {
char buffer[32] = {0};
const auto prepared = fmt::compile<int>("4{}");
prepared.format_to(buffer, 2);
fmt::format_to(buffer, prepared, 2);
EXPECT_EQ(std::string("42"), buffer);
wchar_t wbuffer[32] = {0};
const auto wprepared = fmt::compile<int>(L"4{}");
wprepared.format_to(wbuffer, 2);
fmt::format_to(wbuffer, wprepared, 2);
EXPECT_EQ(std::wstring(L"42"), wbuffer);
}
TEST(PrepareTest, FormatToIterator) {
std::string s(2, ' ');
const auto prepared = fmt::compile<int>("4{}");
prepared.format_to(s.begin(), 2);
fmt::format_to(s.begin(), prepared, 2);
EXPECT_EQ("42", s);
std::wstring ws(2, L' ');
const auto wprepared = fmt::compile<int>(L"4{}");
wprepared.format_to(ws.begin(), 2);
fmt::format_to(ws.begin(), wprepared, 2);
EXPECT_EQ(L"42", ws);
}
TEST(PrepareTest, FormatToBackInserter) {
std::string s;
const auto prepared = fmt::compile<int>("4{}");
prepared.format_to(std::back_inserter(s), 2);
fmt::format_to(std::back_inserter(s), prepared, 2);
EXPECT_EQ("42", s);
std::wstring ws;
const auto wprepared = fmt::compile<int>(L"4{}");
wprepared.format_to(std::back_inserter(ws), 2);
fmt::format_to(std::back_inserter(ws), wprepared, 2);
EXPECT_EQ(L"42", ws);
}