[func.wrap.func.inv] (original) (raw)

22 General utilities library [utilities]

22.10 Function objects [function.objects]

22.10.17 Polymorphic function wrappers [func.wrap]

22.10.17.3 Class template function [func.wrap.func]

22.10.17.3.5 Invocation [func.wrap.func.inv]

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R operator()(ArgTypes... args) const;

1

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Returns: INVOKE<R>(f, std​::​forward<ArgTypes>(args)...) ([func.require]), where f is the target object ([func.def]) of *this.

2

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Throws: bad_function_call if !*this; otherwise, any exception thrown by the target object.