Wraps a pipeline so exceptions of a given type are passed to a handler.
Synopsis
Declared in <folly/gen/Base.h>
template<
class Exception,
class ErrorHandler,
class GuardImpl = /* implementation-defined */>
GuardImpl
guard(ErrorHandler&& handler);Return Value
An operator that guards the pipeline against Exception.
Parameters
Name |
Description |
handler |
The error handler invoked for a caught exception. |
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