folly::get_exception

get_exception overloads

Synopses

Declared in <folly/lang/Exception.h>

Returns the contained exception via the const path for a mutable source.

template<typename Ex = std::exception>
constexpr
auto
get_exception(Src& s) noexcept;

Returns a pointer‐like to the contained exception of type Ex, or null.

template<typename Ex = std::exception>
constexpr
auto
get_exception(Src const& src) noexcept;

Deleted to prevent returning a pointer into an rvalue source.

template<typename Ex = std::exception>
void
get_exception(Src&& s) noexcept = delete;

Deleted to prevent returning a pointer into a const rvalue source.

template<typename Ex = std::exception>
void
get_exception(Src const&& s) noexcept = delete;

A pointer‐like to the contained Ex, or null if none is present.

Name

Description

The mutable exception container or exception_ptr to inspect.

src

The exception container or exception_ptr to inspect.

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