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P0935R0 Eradicating unnecessarily explicit default constructors
This is the last remaining piece of P0935R0. This adds a default constructor to each of the streambuf and stream types in <sstream> so that default construction does not use the 'explicit' constructor that has a single, defaulted argument. P0935R0 Eradicating unnecessarily explicit default constructors * config/abi/pre/gnu.ver: Tighten existing patterns and export new default constructor symbols. * include/std/sstream (basic_stringbuf, basic_istringstream) (basic_ostringstream, basic_stringstream): Remove default arguments from explicit constructors taking ios_base::openmode and add separate non-explicit default constructors. * testsuite/27_io/basic_istringstream/cons/default.cc: New. * testsuite/27_io/basic_ostringstream/cons/default.cc: New. * testsuite/27_io/basic_stringstream/cons/default.cc: New. * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New. * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@262474 138bc75d-0d04-0410-961f-82ee72b054a4
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| 2018-07-06 Jonathan Wakely <[email protected]> | ||
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| P0935R0 Eradicating unnecessarily explicit default constructors | ||
| * config/abi/pre/gnu.ver: Tighten existing patterns and export new | ||
| default constructor symbols. | ||
| * include/std/sstream (basic_stringbuf, basic_istringstream) | ||
| (basic_ostringstream, basic_stringstream): Remove default arguments | ||
| from explicit constructors taking ios_base::openmode and add separate | ||
| non-explicit default constructors. | ||
| * testsuite/27_io/basic_istringstream/cons/default.cc: New. | ||
| * testsuite/27_io/basic_ostringstream/cons/default.cc: New. | ||
| * testsuite/27_io/basic_stringstream/cons/default.cc: New. | ||
| * testsuite/27_io/basic_stringbuf/cons/char/default.cc: New. | ||
| * testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc: New. | ||
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| * include/std/variant (__accepted_index): Use void_t. | ||
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| 2018-07-05 Jonathan Wakely <[email protected]> | ||
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35 changes: 35 additions & 0 deletions
35
libstdc++-v3/testsuite/27_io/basic_istringstream/cons/default.cc
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,35 @@ | ||
| // Copyright (C) 2018 Free Software Foundation, Inc. | ||
| // | ||
| // This file is part of the GNU ISO C++ Library. This library is free | ||
| // software; you can redistribute it and/or modify it under the | ||
| // terms of the GNU General Public License as published by the | ||
| // Free Software Foundation; either version 3, or (at your option) | ||
| // any later version. | ||
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| // This library is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
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| // You should have received a copy of the GNU General Public License along | ||
| // with this library; see the file COPYING3. If not see | ||
| // <http://www.gnu.org/licenses/>. | ||
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| // C++11 27.8.3.1 basic_istringstream constructors [istringstream.cons] | ||
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| // { dg-do run { target c++11 } } | ||
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| #include <sstream> | ||
| #include <testsuite_common_types.h> | ||
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| void test01() | ||
| { | ||
| // P0935R0 | ||
| __gnu_test::implicitly_default_constructible test; | ||
| test.operator()<std::istringstream>(); | ||
| } | ||
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| int main() | ||
| { | ||
| test01(); | ||
| } |
35 changes: 35 additions & 0 deletions
35
libstdc++-v3/testsuite/27_io/basic_ostringstream/cons/default.cc
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| // Copyright (C) 2018 Free Software Foundation, Inc. | ||
| // | ||
| // This file is part of the GNU ISO C++ Library. This library is free | ||
| // software; you can redistribute it and/or modify it under the | ||
| // terms of the GNU General Public License as published by the | ||
| // Free Software Foundation; either version 3, or (at your option) | ||
| // any later version. | ||
|
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| // This library is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
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| // You should have received a copy of the GNU General Public License along | ||
| // with this library; see the file COPYING3. If not see | ||
| // <http://www.gnu.org/licenses/>. | ||
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| // C++11 27.8.4.1 basic_ostringstream constructors [ostringstream.cons] | ||
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| // { dg-do run { target c++11 } } | ||
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| #include <sstream> | ||
| #include <testsuite_common_types.h> | ||
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| void test01() | ||
| { | ||
| // P0935R0 | ||
| __gnu_test::implicitly_default_constructible test; | ||
| test.operator()<std::ostringstream>(); | ||
| } | ||
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| int main() | ||
| { | ||
| test01(); | ||
| } |
35 changes: 35 additions & 0 deletions
35
libstdc++-v3/testsuite/27_io/basic_stringbuf/cons/char/default.cc
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| // Copyright (C) 2018 Free Software Foundation, Inc. | ||
| // | ||
| // This file is part of the GNU ISO C++ Library. This library is free | ||
| // software; you can redistribute it and/or modify it under the | ||
| // terms of the GNU General Public License as published by the | ||
| // Free Software Foundation; either version 3, or (at your option) | ||
| // any later version. | ||
|
|
||
| // This library is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
|
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| // You should have received a copy of the GNU General Public License along | ||
| // with this library; see the file COPYING3. If not see | ||
| // <http://www.gnu.org/licenses/>. | ||
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| // C++11 27.8.2.1 basic_stringbuf constructors [stringbuf.cons] | ||
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| // { dg-do run { target c++11 } } | ||
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| #include <sstream> | ||
| #include <testsuite_common_types.h> | ||
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| void test01() | ||
| { | ||
| // P0935R0 | ||
| __gnu_test::implicitly_default_constructible test; | ||
| test.operator()<std::stringbuf>(); | ||
| } | ||
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| int main() | ||
| { | ||
| test01(); | ||
| } |
35 changes: 35 additions & 0 deletions
35
libstdc++-v3/testsuite/27_io/basic_stringbuf/cons/wchar_t/default.cc
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| // Copyright (C) 2018 Free Software Foundation, Inc. | ||
| // | ||
| // This file is part of the GNU ISO C++ Library. This library is free | ||
| // software; you can redistribute it and/or modify it under the | ||
| // terms of the GNU General Public License as published by the | ||
| // Free Software Foundation; either version 3, or (at your option) | ||
| // any later version. | ||
|
|
||
| // This library is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
|
|
||
| // You should have received a copy of the GNU General Public License along | ||
| // with this library; see the file COPYING3. If not see | ||
| // <http://www.gnu.org/licenses/>. | ||
|
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| // C++11 27.8.2.1 basic_stringbuf constructors [stringbuf.cons] | ||
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| // { dg-do run { target c++11 } } | ||
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| #include <sstream> | ||
| #include <testsuite_common_types.h> | ||
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| void test01() | ||
| { | ||
| // P0935R0 | ||
| __gnu_test::implicitly_default_constructible test; | ||
| test.operator()<std::wstringbuf>(); | ||
| } | ||
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| int main() | ||
| { | ||
| test01(); | ||
| } |
35 changes: 35 additions & 0 deletions
35
libstdc++-v3/testsuite/27_io/basic_stringstream/cons/default.cc
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| // Copyright (C) 2018 Free Software Foundation, Inc. | ||
| // | ||
| // This file is part of the GNU ISO C++ Library. This library is free | ||
| // software; you can redistribute it and/or modify it under the | ||
| // terms of the GNU General Public License as published by the | ||
| // Free Software Foundation; either version 3, or (at your option) | ||
| // any later version. | ||
|
|
||
| // This library is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
|
|
||
| // You should have received a copy of the GNU General Public License along | ||
| // with this library; see the file COPYING3. If not see | ||
| // <http://www.gnu.org/licenses/>. | ||
|
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| // C++11 27.8.5.1 basic_stringstream constructors [stringstream.cons] | ||
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| // { dg-do run { target c++11 } } | ||
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| #include <sstream> | ||
| #include <testsuite_common_types.h> | ||
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| void test01() | ||
| { | ||
| // P0935R0 | ||
| __gnu_test::implicitly_default_constructible test; | ||
| test.operator()<std::stringstream>(); | ||
| } | ||
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| int main() | ||
| { | ||
| test01(); | ||
| } |