Helper struct for do_once which uses partial specialization to dispatch to correct implementation for void and non-void return types of F.
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Static Public Member Functions | |
| static Rtn | apply (F &&f, Args &&... args) |
Helper struct for do_once which uses partial specialization to dispatch to correct implementation for void and non-void return types of F.
| F | Function object passed to do_once. |
| Rtn | Return type of F. |
| Args | List of arguments to pass to function object invocation. |
1.8.13