#include <qx/algo/predicates.h>
#include <qx/meta/type_traits.h>
#include <optional>
#include <type_traits>
#include <qx/coalesce.inl>
Go to the source code of this file.
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| template<class return_t , class... args_t> |
| constexpr return_t | qx::coalesce (args_t &&... args) |
| | Coalesce function, C# a ?? b analogue. More...
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| |
| template<class... args_t> |
| | qx::requires (same_variadic_args_v< args_t... >) const expr auto coalesce(args_t &&... args) |
| | Coalesce function, C# a ?? b analogue. More...
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| |
- Author
- Khrapov
- Date
- 10.06.2025
- Copyright
- © Nick Khrapov, 2025. All right reserved.
Definition in file coalesce.h.
◆ coalesce()
template<class return_t , class... args_t>
| constexpr return_t qx::coalesce |
( |
args_t &&... |
args | ) |
|
|
constexpr |
Coalesce function, C# a ?? b analogue.
Different types version. The result will be cast to return_t.
- Template Parameters
-
| return_t | - type to cast the result to |
| args_t | - parameters types, can be different |
- Parameters
-
| args | - template parameter pack |
- Return values
-
| - | the first valid object or the last one |
Definition at line 31 of file coalesce.inl.
◆ requires()
template<class... args_t>
| qx::requires |
( |
same_variadic_args_v< args_t... > |
| ) |
const && |
Coalesce function, C# a ?? b analogue.
- Template Parameters
-
| args_t | - parameters types, must be the same |
- Parameters
-
| args | - template parameter pack |
- Return values
-
| - | the first valid object or the last one |
Definition at line 57 of file coalesce.inl.
