folly::exception_wrapper::HandleReduce< IsConst > Struct Template Reference

#include <ExceptionWrapper-inl.h>

Public Member Functions
template<class ThrowFn , class CatchFn , FOLLY_REQUIRES(!IsCatchAll< CatchFn >::value) >
auto	operator() (ThrowFn &&th, CatchFn &ca) const
template<class ThrowFn , class CatchFn , FOLLY_REQUIRES(IsCatchAll< CatchFn >::value) >
auto	operator() (ThrowFn &&th, CatchFn &ca) const

Public Attributes
bool *	handled_

Detailed Description

template<bool IsConst>
struct folly::exception_wrapper::HandleReduce< IsConst >

Definition at line 495 of file ExceptionWrapper-inl.h.

Member Function Documentation

template<bool IsConst>

template<class ThrowFn , class CatchFn , FOLLY_REQUIRES(!IsCatchAll< CatchFn >::value) >

auto folly::exception_wrapper::HandleReduce< IsConst >::operator() ( ThrowFn &&  th, CatchFn &  ca  ) const

inline

Definition at line 502 of file ExceptionWrapper-inl.h.

References FOLLY_REQUIRES.

                                                   {
    using Ex = _t<ExceptionTypeOf<CatchFn, IsConst>>;
    return [th = std::forward<ThrowFn>(th), &ca, handled_ = handled_] {
      try {
        th();
      } catch (Ex& e) {
        // If we got here because a catch function threw, rethrow.
        if (*handled_) {
          throw;
        }
        *handled_ = true;
        ca(e);
      }
    };
  }

template<bool IsConst>

template<class ThrowFn , class CatchFn , FOLLY_REQUIRES(IsCatchAll< CatchFn >::value) >

auto folly::exception_wrapper::HandleReduce< IsConst >::operator() ( ThrowFn &&  th, CatchFn &  ca  ) const

inline

Definition at line 522 of file ExceptionWrapper-inl.h.

                                                   {
    return [th = std::forward<ThrowFn>(th), &ca, handled_ = handled_] {
      try {
        th();
      } catch (...) {
        // If we got here because a catch function threw, rethrow.
        if (*handled_) {
          throw;
        }
        *handled_ = true;
        ca();
      }
    };
  }

Member Data Documentation

template<bool IsConst>

bool* folly::exception_wrapper::HandleReduce< IsConst >::handled_

Definition at line 496 of file ExceptionWrapper-inl.h.

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The documentation for this struct was generated from the following file:

• proxygen/folly/folly/ExceptionWrapper-inl.h