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template<typename T > |
constexpr T * | bsl::addressof (T &val) noexcept |
| Obtains the actual address of the object or function arg, even in presence of overloaded operator& (i.e., this should be used to get the address of an object instead of using & as that could be unsafe). More...
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template<typename T > |
T const * | bsl::addressof (T const &&val)=delete |
| Prevents the user from getting an address to a const as that would allow you to get the address of an rvalue which could result in UB. More...
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- Copyright
- Copyright (C) 2020 Assured Information Security, Inc.
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
◆ addressof() [1/2]
template<typename T >
constexpr T* bsl::addressof |
( |
T & |
val | ) |
|
|
noexcept |
Obtains the actual address of the object or function arg, even in presence of overloaded operator& (i.e., this should be used to get the address of an object instead of using & as that could be unsafe).
namespace bsl
{
inline void
example_addressof_overview() noexcept
{
bool const mydata{};
if (bsl::addressof(mydata) == &mydata) {
}
}
}
- Template Parameters
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T | the type of object to get the address of. |
- Parameters
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val | the object of type T to get the address of. |
- Returns
- Returns the address of val
◆ addressof() [2/2]
template<typename T >
T const* bsl::addressof |
( |
T const && |
val | ) |
|
|
delete |
Prevents the user from getting an address to a const as that would allow you to get the address of an rvalue which could result in UB.
namespace bsl
{
inline void
example_addressof_overview() noexcept
{
bool const mydata{};
if (bsl::addressof(mydata) == &mydata) {
}
}
}
- Template Parameters
-
T | the type of object to get the address of. |
- Parameters
-
val | the object of type T to get the address of. |
- Returns
- Returns the address of val