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fmt::join support FMT_COMPILE (#2720)

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Vladislav Shchapov 2022-01-14 22:58:49 +05:00 committed by GitHub
parent 58fb782396
commit b02e5af52c
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3 changed files with 9 additions and 4 deletions
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4
include/fmt/format.h
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@ -2818,8 +2818,8 @@ struct formatter<join_view<It, Sentinel, Char>, Char> {
}
template <typename FormatContext>
auto format(const join_view<It, Sentinel, Char>& value, FormatContext& ctx)
-> decltype(ctx.out()) {
auto format(const join_view<It, Sentinel, Char>& value,
FormatContext& ctx) const -> decltype(ctx.out()) {
auto it = value.begin;
auto out = ctx.out();
if (it != value.end) {

4
include/fmt/ostream.h
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@ -86,7 +86,7 @@ struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>>
using formatter<basic_string_view<Char>, Char>::parse;
template <typename OutputIt>
auto format(const T& value, basic_format_context<OutputIt, Char>& ctx)
auto format(const T& value, basic_format_context<OutputIt, Char>& ctx) const
-> OutputIt {
auto buffer = basic_memory_buffer<Char>();
format_value(buffer, value, ctx.locale());
@ -96,7 +96,7 @@ struct fallback_formatter<T, Char, enable_if_t<is_streamable<T, Char>::value>>
// DEPRECATED!
template <typename OutputIt>
auto format(const T& value, basic_printf_context<OutputIt, Char>& ctx)
auto format(const T& value, basic_printf_context<OutputIt, Char>& ctx) const
-> OutputIt {
auto buffer = basic_memory_buffer<Char>();
format_value(buffer, value, ctx.locale());

5
test/compile-test.cc
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@ -201,6 +201,11 @@ TEST(compile_test, named) {
# endif
}
TEST(compile_test, join) {
unsigned char data[] = {0x1, 0x2, 0xaf};
EXPECT_EQ("0102af", fmt::format(FMT_COMPILE("{:02x}"), fmt::join(data, "")));
}
TEST(compile_test, format_to) {
char buf[8];
auto end = fmt::format_to(buf, FMT_COMPILE("{}"), 42);