Remove non-standard basic_string_view::clear() member.

This patch removes the clear() member from <string_view>. The
modifier was removed from the TS before it ever landed in the standard.
There is no reason libc++ should be providing this method.

llvm-svn: 302869
This commit is contained in:
Eric Fiselier 2017-05-12 03:35:53 +00:00
parent 5b263d4ce1
commit 5b8ab693ab
2 changed files with 0 additions and 75 deletions

View File

@ -103,7 +103,6 @@ namespace std {
constexpr const_pointer data() const noexcept; constexpr const_pointer data() const noexcept;
// 7.7, basic_string_view modifiers // 7.7, basic_string_view modifiers
constexpr void clear() noexcept;
constexpr void remove_prefix(size_type n); constexpr void remove_prefix(size_type n);
constexpr void remove_suffix(size_type n); constexpr void remove_suffix(size_type n);
constexpr void swap(basic_string_view& s) noexcept; constexpr void swap(basic_string_view& s) noexcept;
@ -292,13 +291,6 @@ public:
const_pointer data() const _NOEXCEPT { return __data; } const_pointer data() const _NOEXCEPT { return __data; }
// [string.view.modifiers], modifiers: // [string.view.modifiers], modifiers:
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
void clear() _NOEXCEPT
{
__data = nullptr;
__size = 0;
}
_LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY
void remove_prefix(size_type __n) _NOEXCEPT void remove_prefix(size_type __n) _NOEXCEPT
{ {

View File

@ -1,67 +0,0 @@
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string_view>
// void clear() noexcept
#include <string_view>
#include <cassert>
#include "test_macros.h"
template<typename CharT>
void test ( const CharT *s, size_t len ) {
typedef std::basic_string_view<CharT> SV;
{
SV sv1 ( s );
assert ( sv1.size() == len );
assert ( sv1.data() == s );
sv1.clear ();
assert ( sv1.data() == nullptr );
assert ( sv1.size() == 0 );
assert ( sv1 == SV());
}
}
#if TEST_STD_VER > 11
constexpr size_t test_ce ( size_t n ) {
typedef std::basic_string_view<char> SV;
SV sv1{ "ABCDEFGHIJKL", n };
sv1.clear();
return sv1.size();
}
#endif
int main () {
test ( "ABCDE", 5 );
test ( "a", 1 );
test ( "", 0 );
test ( L"ABCDE", 5 );
test ( L"a", 1 );
test ( L"", 0 );
#if TEST_STD_VER >= 11
test ( u"ABCDE", 5 );
test ( u"a", 1 );
test ( u"", 0 );
test ( U"ABCDE", 5 );
test ( U"a", 1 );
test ( U"", 0 );
#endif
#if TEST_STD_VER > 11
static_assert ( test_ce (5) == 0, "" );
#endif
}