[libcxx-commits] [libcxx] 261b5ab - [libc++][format] Improves CTAD.
Mark de Wever via libcxx-commits
libcxx-commits at lists.llvm.org
Wed Oct 12 08:42:59 PDT 2022
Author: Mark de Wever
Date: 2022-10-12T17:42:50+02:00
New Revision: 261b5abf72cf4cdee240b6887efb6a422e744294
URL: https://github.com/llvm/llvm-project/commit/261b5abf72cf4cdee240b6887efb6a422e744294
DIFF: https://github.com/llvm/llvm-project/commit/261b5abf72cf4cdee240b6887efb6a422e744294.diff
LOG: [libc++][format] Improves CTAD.
This partly reverts D133535 and enables CTAD for more parts in format.
Reviewed By: ldionne, #libc
Differential Revision: https://reviews.llvm.org/D135292
Added:
Modified:
libcxx/include/__config
libcxx/include/__format/format_context.h
libcxx/include/__format/format_functions.h
libcxx/include/__format/format_parse_context.h
libcxx/include/__format/format_string.h
libcxx/include/__format/parser_std_format_spec.h
libcxx/test/std/utilities/format/format.formatter/format.context/format.context/advance_to.pass.cpp
libcxx/test/std/utilities/format/format.formatter/format.context/format.context/arg.pass.cpp
libcxx/test/std/utilities/format/format.formatter/format.context/format.context/ctor.pass.cpp
libcxx/test/std/utilities/format/format.formatter/format.context/format.context/locale.pass.cpp
libcxx/test/std/utilities/format/format.formatter/format.context/format.context/out.pass.cpp
libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/advance_to.pass.cpp
libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/begin.pass.cpp
libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/ctor.pass.cpp
libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/end.pass.cpp
Removed:
################################################################################
diff --git a/libcxx/include/__config b/libcxx/include/__config
index d73f8646e9f68..b80e4cb4ee5ed 100644
--- a/libcxx/include/__config
+++ b/libcxx/include/__config
@@ -1195,13 +1195,15 @@ _LIBCPP_BEGIN_NAMESPACE_STD _LIBCPP_END_NAMESPACE_STD
# endif
# endif
-// There are a handful of standard library types that are intended to support CTAD but don't need any
-// explicit deduction guides to do so. This macro is used to mark them as such, which suppresses the
-// '-Wctad-maybe-unsupported' compiler warning when CTAD is used in user code with these classes.
+// There are a handful of public standard library types that are intended to
+// support CTAD but don't need any explicit deduction guides to do so. This
+// macro is used to mark them as such, which suppresses the
+// '-Wctad-maybe-unsupported' compiler warning when CTAD is used in user code
+// with these classes.
#if _LIBCPP_STD_VER >= 17
-# define _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(_ClassName) \
- template <class _Tag = void> \
- _ClassName(typename _Tag::__allow_ctad) -> _ClassName<_Tag>
+# define _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(_ClassName) \
+ template <class ..._Tag> \
+ _ClassName(typename _Tag::__allow_ctad...) -> _ClassName<_Tag...>
#else
# define _LIBCPP_CTAD_SUPPORTED_FOR_TYPE(_ClassName) static_assert(true, "")
#endif
diff --git a/libcxx/include/__format/format_context.h b/libcxx/include/__format/format_context.h
index a2c79d9ec0651..37d4fe1eb5c54 100644
--- a/libcxx/include/__format/format_context.h
+++ b/libcxx/include/__format/format_context.h
@@ -50,8 +50,7 @@ __format_context_create(
_OutIt __out_it,
basic_format_args<basic_format_context<_OutIt, _CharT>> __args,
optional<_VSTD::locale>&& __loc = nullopt) {
- return _VSTD::basic_format_context<_OutIt, _CharT>(_VSTD::move(__out_it), __args,
- _VSTD::move(__loc));
+ return _VSTD::basic_format_context(_VSTD::move(__out_it), __args, _VSTD::move(__loc));
}
#else
template <class _OutIt, class _CharT>
@@ -59,7 +58,7 @@ _LIBCPP_HIDE_FROM_ABI basic_format_context<_OutIt, _CharT>
__format_context_create(
_OutIt __out_it,
basic_format_args<basic_format_context<_OutIt, _CharT>> __args) {
- return _VSTD::basic_format_context<_OutIt, _CharT>(_VSTD::move(__out_it), __args);
+ return _VSTD::basic_format_context(_VSTD::move(__out_it), __args);
}
#endif
@@ -143,6 +142,7 @@ class
: __out_it_(_VSTD::move(__out_it)), __args_(__args) {}
#endif
};
+_LIBCPP_CTAD_SUPPORTED_FOR_TYPE(basic_format_context);
#endif //_LIBCPP_STD_VER > 17
diff --git a/libcxx/include/__format/format_functions.h b/libcxx/include/__format/format_functions.h
index 37621bc84798e..2e7925bfbd01e 100644
--- a/libcxx/include/__format/format_functions.h
+++ b/libcxx/include/__format/format_functions.h
@@ -239,8 +239,7 @@ template <class _CharT, class _ParseCtx, class _Ctx>
_LIBCPP_HIDE_FROM_ABI constexpr const _CharT*
__handle_replacement_field(const _CharT* __begin, const _CharT* __end,
_ParseCtx& __parse_ctx, _Ctx& __ctx) {
- __format::__parse_number_result<_CharT> __r =
- __format::__parse_arg_id(__begin, __end, __parse_ctx);
+ __format::__parse_number_result __r = __format::__parse_arg_id(__begin, __end, __parse_ctx);
bool __parse = *__r.__ptr == _CharT(':');
switch (*__r.__ptr) {
@@ -392,15 +391,12 @@ requires(output_iterator<_OutIt, const _CharT&>) _LIBCPP_HIDE_FROM_ABI _OutIt
_OutIt __out_it, basic_string_view<_CharT> __fmt,
basic_format_args<basic_format_context<_FormatOutIt, _CharT>> __args) {
if constexpr (same_as<_OutIt, _FormatOutIt>)
- return _VSTD::__format::__vformat_to(
- basic_format_parse_context<_CharT>{__fmt, __args.__size()},
- _VSTD::__format_context_create(_VSTD::move(__out_it), __args));
+ return _VSTD::__format::__vformat_to(basic_format_parse_context{__fmt, __args.__size()},
+ _VSTD::__format_context_create(_VSTD::move(__out_it), __args));
else {
__format::__format_buffer<_OutIt, _CharT> __buffer{_VSTD::move(__out_it)};
- _VSTD::__format::__vformat_to(
- basic_format_parse_context<_CharT>{__fmt, __args.__size()},
- _VSTD::__format_context_create(__buffer.__make_output_iterator(),
- __args));
+ _VSTD::__format::__vformat_to(basic_format_parse_context{__fmt, __args.__size()},
+ _VSTD::__format_context_create(__buffer.__make_output_iterator(), __args));
return _VSTD::move(__buffer).__out_it();
}
}
@@ -473,7 +469,7 @@ _LIBCPP_HIDE_FROM_ABI format_to_n_result<_OutIt> __vformat_to_n(_OutIt __out_it,
basic_string_view<_CharT> __fmt,
basic_format_args<_Context> __args) {
__format::__format_to_n_buffer<_OutIt, _CharT> __buffer{_VSTD::move(__out_it), __n};
- _VSTD::__format::__vformat_to(basic_format_parse_context<_CharT>{__fmt, __args.__size()},
+ _VSTD::__format::__vformat_to(basic_format_parse_context{__fmt, __args.__size()},
_VSTD::__format_context_create(__buffer.__make_output_iterator(), __args));
return _VSTD::move(__buffer).__result();
}
@@ -496,7 +492,7 @@ format_to_n(_OutIt __out_it, iter_
diff erence_t<_OutIt> __n, wformat_string<_Args
template <class _CharT>
_LIBCPP_HIDE_FROM_ABI size_t __vformatted_size(basic_string_view<_CharT> __fmt, auto __args) {
__format::__formatted_size_buffer<_CharT> __buffer;
- _VSTD::__format::__vformat_to(basic_format_parse_context<_CharT>{__fmt, __args.__size()},
+ _VSTD::__format::__vformat_to(basic_format_parse_context{__fmt, __args.__size()},
_VSTD::__format_context_create(__buffer.__make_output_iterator(), __args));
return _VSTD::move(__buffer).__result();
}
@@ -524,15 +520,13 @@ requires(output_iterator<_OutIt, const _CharT&>) _LIBCPP_HIDE_FROM_ABI _OutIt
basic_format_args<basic_format_context<_FormatOutIt, _CharT>> __args) {
if constexpr (same_as<_OutIt, _FormatOutIt>)
return _VSTD::__format::__vformat_to(
- basic_format_parse_context<_CharT>{__fmt, __args.__size()},
- _VSTD::__format_context_create(_VSTD::move(__out_it), __args,
- _VSTD::move(__loc)));
+ basic_format_parse_context{__fmt, __args.__size()},
+ _VSTD::__format_context_create(_VSTD::move(__out_it), __args, _VSTD::move(__loc)));
else {
__format::__format_buffer<_OutIt, _CharT> __buffer{_VSTD::move(__out_it)};
_VSTD::__format::__vformat_to(
- basic_format_parse_context<_CharT>{__fmt, __args.__size()},
- _VSTD::__format_context_create(__buffer.__make_output_iterator(),
- __args, _VSTD::move(__loc)));
+ basic_format_parse_context{__fmt, __args.__size()},
+ _VSTD::__format_context_create(__buffer.__make_output_iterator(), __args, _VSTD::move(__loc)));
return _VSTD::move(__buffer).__out_it();
}
}
@@ -610,7 +604,7 @@ _LIBCPP_HIDE_FROM_ABI format_to_n_result<_OutIt> __vformat_to_n(_OutIt __out_it,
basic_format_args<_Context> __args) {
__format::__format_to_n_buffer<_OutIt, _CharT> __buffer{_VSTD::move(__out_it), __n};
_VSTD::__format::__vformat_to(
- basic_format_parse_context<_CharT>{__fmt, __args.__size()},
+ basic_format_parse_context{__fmt, __args.__size()},
_VSTD::__format_context_create(__buffer.__make_output_iterator(), __args, _VSTD::move(__loc)));
return _VSTD::move(__buffer).__result();
}
@@ -637,7 +631,7 @@ template <class _CharT>
_LIBCPP_HIDE_FROM_ABI size_t __vformatted_size(locale __loc, basic_string_view<_CharT> __fmt, auto __args) {
__format::__formatted_size_buffer<_CharT> __buffer;
_VSTD::__format::__vformat_to(
- basic_format_parse_context<_CharT>{__fmt, __args.__size()},
+ basic_format_parse_context{__fmt, __args.__size()},
_VSTD::__format_context_create(__buffer.__make_output_iterator(), __args, _VSTD::move(__loc)));
return _VSTD::move(__buffer).__result();
}
diff --git a/libcxx/include/__format/format_parse_context.h b/libcxx/include/__format/format_parse_context.h
index 272b615d10482..4bcfda1138c9a 100644
--- a/libcxx/include/__format/format_parse_context.h
+++ b/libcxx/include/__format/format_parse_context.h
@@ -88,6 +88,7 @@ class _LIBCPP_TEMPLATE_VIS _LIBCPP_AVAILABILITY_FORMAT basic_format_parse_contex
size_t __next_arg_id_;
size_t __num_args_;
};
+_LIBCPP_CTAD_SUPPORTED_FOR_TYPE(basic_format_parse_context);
using format_parse_context = basic_format_parse_context<char>;
#ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
diff --git a/libcxx/include/__format/format_string.h b/libcxx/include/__format/format_string.h
index 51c3c7a1a6d8b..6033180d97c10 100644
--- a/libcxx/include/__format/format_string.h
+++ b/libcxx/include/__format/format_string.h
@@ -32,6 +32,9 @@ struct _LIBCPP_TEMPLATE_VIS __parse_number_result {
uint32_t __value;
};
+template <class _CharT>
+__parse_number_result(const _CharT*, uint32_t) -> __parse_number_result<_CharT>;
+
template <class _CharT>
_LIBCPP_HIDE_FROM_ABI constexpr __parse_number_result<_CharT>
__parse_number(const _CharT* __begin, const _CharT* __end);
diff --git a/libcxx/include/__format/parser_std_format_spec.h b/libcxx/include/__format/parser_std_format_spec.h
index 4b2cb2be03c53..ed08493d7a640 100644
--- a/libcxx/include/__format/parser_std_format_spec.h
+++ b/libcxx/include/__format/parser_std_format_spec.h
@@ -54,8 +54,7 @@ __parse_arg_id(const _CharT* __begin, const _CharT* __end, auto& __parse_ctx) {
if (__begin == __end)
__throw_format_error("End of input while parsing format-spec arg-id");
- __format::__parse_number_result<_CharT> __r =
- __format::__parse_arg_id(__begin, __end, __parse_ctx);
+ __format::__parse_number_result __r = __format::__parse_arg_id(__begin, __end, __parse_ctx);
if (__r.__ptr == __end || *__r.__ptr != _CharT('}'))
__throw_format_error("Invalid arg-id");
@@ -422,7 +421,7 @@ class _LIBCPP_TEMPLATE_VIS __parser {
__throw_format_error("A format-spec width field shouldn't have a leading zero");
if (*__begin == _CharT('{')) {
- __format::__parse_number_result<_CharT> __r = __format_spec::__parse_arg_id(++__begin, __end, __parse_ctx);
+ __format::__parse_number_result __r = __format_spec::__parse_arg_id(++__begin, __end, __parse_ctx);
__width_as_arg_ = true;
__width_ = __r.__value;
__begin = __r.__ptr;
@@ -432,7 +431,7 @@ class _LIBCPP_TEMPLATE_VIS __parser {
if (*__begin < _CharT('0') || *__begin > _CharT('9'))
return false;
- __format::__parse_number_result<_CharT> __r = __format::__parse_number(__begin, __end);
+ __format::__parse_number_result __r = __format::__parse_number(__begin, __end);
__width_ = __r.__value;
_LIBCPP_ASSERT(__width_ != 0, "A zero value isn't allowed and should be impossible, "
"due to validations in this function");
@@ -450,7 +449,7 @@ class _LIBCPP_TEMPLATE_VIS __parser {
__throw_format_error("End of input while parsing format-spec precision");
if (*__begin == _CharT('{')) {
- __format::__parse_number_result<_CharT> __arg_id = __format_spec::__parse_arg_id(++__begin, __end, __parse_ctx);
+ __format::__parse_number_result __arg_id = __format_spec::__parse_arg_id(++__begin, __end, __parse_ctx);
__precision_as_arg_ = true;
__precision_ = __arg_id.__value;
__begin = __arg_id.__ptr;
@@ -460,7 +459,7 @@ class _LIBCPP_TEMPLATE_VIS __parser {
if (*__begin < _CharT('0') || *__begin > _CharT('9'))
__throw_format_error("The format-spec precision field doesn't contain a value or arg-id");
- __format::__parse_number_result<_CharT> __r = __format::__parse_number(__begin, __end);
+ __format::__parse_number_result __r = __format::__parse_number(__begin, __end);
__precision_ = __r.__value;
__precision_as_arg_ = false;
__begin = __r.__ptr;
@@ -702,6 +701,9 @@ struct __column_width_result {
const _CharT* __last_;
};
+template <class _CharT>
+__column_width_result(size_t, const _CharT*) -> __column_width_result<_CharT>;
+
/// Since a column width can be two it's possible that the requested column
/// width can't be achieved. Depending on the intended usage the policy can be
/// selected.
@@ -879,7 +881,7 @@ _LIBCPP_HIDE_FROM_ABI constexpr __column_width_result<_CharT> __estimate_column_
}
ptr
diff _t __ascii_size = __it - __str.begin();
- __column_width_result<_CharT> __result =
+ __column_width_result __result =
__detail::__estimate_column_width_grapheme_clustering(__it, __str.end(), __maximum, __rounding);
__result.__width_ += __ascii_size;
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/advance_to.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/advance_to.pass.cpp
index fe2ce9d5a62a2..04f3f50be5999 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/advance_to.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/advance_to.pass.cpp
@@ -24,8 +24,7 @@ void test(
std::basic_format_args<std::basic_format_context<OutIt, CharT>> args) {
{
std::basic_string<CharT> str[3];
- std::basic_format_context<OutIt, CharT> context =
- test_format_context_create(OutIt{str[0]}, args);
+ std::basic_format_context context = test_format_context_create(OutIt{str[0]}, args);
context.out() = CharT('a');
context.advance_to(OutIt{str[1]});
context.out() = CharT('b');
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/arg.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/arg.pass.cpp
index abd9315612c07..84f328a0cd5c0 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/arg.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/arg.pass.cpp
@@ -28,8 +28,7 @@ void test() {
std::basic_format_args args = store;
std::basic_string<CharT> output;
- const std::basic_format_context<OutIt, CharT> context =
- test_format_context_create(OutIt{output}, args);
+ const std::basic_format_context context = test_format_context_create(OutIt{output}, args);
LIBCPP_ASSERT(args.__size() == 4);
ASSERT_NOEXCEPT(context.arg(0));
for (size_t i = 0, e = args.__size(); i != e; ++i) {
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/ctor.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/ctor.pass.cpp
index f2d24503db818..55e55c841b2ad 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/ctor.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/ctor.pass.cpp
@@ -55,7 +55,7 @@ void test() {
{
std::basic_string<CharT> output;
OutIt out_it{output};
- std::basic_format_context<OutIt, CharT> context = test_format_context_create(out_it, args);
+ std::basic_format_context context = test_format_context_create(out_it, args);
LIBCPP_ASSERT(args.__size() == 4);
assert(test_basic_format_arg(context.arg(0), true));
@@ -79,7 +79,7 @@ void test() {
{
std::basic_string<CharT> output;
OutIt out_it{output};
- std::basic_format_context<OutIt, CharT> context = test_format_context_create(out_it, args, en_US);
+ std::basic_format_context context = test_format_context_create(out_it, args, en_US);
LIBCPP_ASSERT(args.__size() == 4);
assert(test_basic_format_arg(context.arg(0), true));
@@ -99,7 +99,7 @@ void test() {
{
std::basic_string<CharT> output;
OutIt out_it{output};
- std::basic_format_context<OutIt, CharT> context = test_format_context_create(out_it, args, fr_FR);
+ std::basic_format_context context = test_format_context_create(out_it, args, fr_FR);
LIBCPP_ASSERT(args.__size() == 4);
assert(test_basic_format_arg(context.arg(0), true));
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/locale.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/locale.pass.cpp
index 6a91789437926..06730b37e3c10 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/locale.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/locale.pass.cpp
@@ -39,7 +39,7 @@ void test() {
{
std::basic_string<CharT> output;
OutIt out_it{output};
- std::basic_format_context<OutIt, CharT> context = test_format_context_create(out_it, args, en_US);
+ std::basic_format_context context = test_format_context_create(out_it, args, en_US);
assert(args.__size() == 4);
assert(test_basic_format_arg(context.arg(0), true));
assert(test_basic_format_arg(context.arg(1), CharT('a')));
@@ -58,7 +58,7 @@ void test() {
{
std::basic_string<CharT> output;
OutIt out_it{output};
- std::basic_format_context<OutIt, CharT> context = test_format_context_create(out_it, args, fr_FR);
+ std::basic_format_context context = test_format_context_create(out_it, args, fr_FR);
assert(args.__size() == 4);
assert(test_basic_format_arg(context.arg(0), true));
assert(test_basic_format_arg(context.arg(1), CharT('a')));
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/out.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/out.pass.cpp
index b7080e1aa7309..c358a33083ce0 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/out.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.context/format.context/out.pass.cpp
@@ -25,7 +25,7 @@ void test(
{
std::basic_string<CharT> str;
OutIt out_it{str};
- std::basic_format_context<OutIt, CharT> context = test_format_context_create(out_it, args);
+ std::basic_format_context context = test_format_context_create(out_it, args);
context.out() = CharT('a');
context.out() = CharT('b');
context.out() = CharT('c');
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/advance_to.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/advance_to.pass.cpp
index 66dacd44bb116..6b4afcb6561de 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/advance_to.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/advance_to.pass.cpp
@@ -35,7 +35,7 @@ constexpr void test(const CharT* fmt) {
}
{
std::basic_string_view view{fmt};
- std::basic_format_parse_context<CharT> context(view);
+ std::basic_format_parse_context context(view);
context.advance_to(context.begin() + 1);
assert(std::to_address(context.begin()) == fmt + 1);
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/begin.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/begin.pass.cpp
index 85d9e20b9bc27..63122dc50b76c 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/begin.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/begin.pass.cpp
@@ -28,7 +28,7 @@ constexpr void test(const CharT* fmt) {
}
{
std::basic_string_view view{fmt};
- std::basic_format_parse_context<CharT> context(view);
+ std::basic_format_parse_context context(view);
assert(context.begin() == view.begin());
ASSERT_NOEXCEPT(context.begin());
}
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/ctor.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/ctor.pass.cpp
index 90a102973f045..08cd9d5e4b871 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/ctor.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/ctor.pass.cpp
@@ -39,10 +39,8 @@ constexpr void test(const CharT* fmt) {
static_assert(
!std::is_move_assignable_v<std::basic_format_parse_context<CharT> >);
- ASSERT_NOEXCEPT(
- std::basic_format_parse_context<CharT>{std::basic_string_view<CharT>{}});
- ASSERT_NOEXCEPT(
- std::basic_format_parse_context<CharT>{std::basic_string_view<CharT>{}, 42});
+ ASSERT_NOEXCEPT(std::basic_format_parse_context{std::basic_string_view<CharT>{}});
+ ASSERT_NOEXCEPT(std::basic_format_parse_context{std::basic_string_view<CharT>{}, 42});
{
std::basic_format_parse_context<CharT> context(fmt);
@@ -51,7 +49,7 @@ constexpr void test(const CharT* fmt) {
}
{
std::basic_string_view view{fmt};
- std::basic_format_parse_context<CharT> context(view);
+ std::basic_format_parse_context context(view);
assert(context.begin() == view.begin());
assert(context.end() == view.end());
}
diff --git a/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/end.pass.cpp b/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/end.pass.cpp
index 917d856741b28..e135418dc5b85 100644
--- a/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/end.pass.cpp
+++ b/libcxx/test/std/utilities/format/format.formatter/format.parse.ctx/end.pass.cpp
@@ -28,7 +28,7 @@ constexpr void test(const CharT* fmt) {
}
{
std::basic_string_view view{fmt};
- std::basic_format_parse_context<CharT> context(view);
+ std::basic_format_parse_context context(view);
assert(context.end() == view.end());
ASSERT_NOEXCEPT(context.end());
}
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