Difference between revisions of "cpp/utility/functional/bad function call"
From cppreference.com
< cpp | utility | functional
m (Text replace - "{{example cpp" to "{{example") |
m (Text replace - "cpp/error/exception" to "cpp/error") |
||
| Line 16: | Line 16: | ||
{{dcl list end}} | {{dcl list end}} | ||
| − | {{cpp/error | + | {{cpp/error/exception/inherit}} |
===Example=== | ===Example=== | ||
Revision as of 00:40, 29 April 2012
Template:cpp/utility/functional/sidebar Template:ddcl list begin <tr class="t-dsc-header">
<td>Defined in header
</td>
<functional>
<td></td> <td></td> </tr> <tr class="t-dcl ">
<td >class bad_function_call : public std::exception;
</td>
<td class="t-dcl-nopad"> </td> <td > (since C++11) </td> </tr> Template:ddcl list end
std::bad_function_call is the type of the exception thrown by function::operator() if the function wrapper has no target.
Contents |
Member functions
| constructs the bad_function_call object (public member function) | |
| [virtual] |
returns the explanatory string (virtual public member function) |
Inherited from std::exception
Member functions
| [virtual] |
destroys the exception object (virtual public member function of std::exception)
|
| [virtual] |
returns an explanatory string (virtual public member function of std::exception)
|
Example
Run this code
#include <iostream> #include <functional> int main() { std::function<int()> f = nullptr; try { f(); } catch(const std::bad_function_call& e) { std::cout << e.what() << '\n'; } }
Output:
bad function call
See also
| (C++11) |
copyable wrapper of any copy constructible callable object (class template) |
