catch_()

template<typename T>

promise & fl::promise< T >::catch_ ( fl::function< void(const Error &)> callback )

inline

Register error callback - returns reference for chaining.

Parameters

callback

Function to call when promise rejects with error

Returns

Reference to this promise for chaining

Definition at line 139 of file promise.h.

                                                             {
        if (!valid()) return *this;
        
        mImpl->set_catch_callback(fl::move(callback));
        return *this;
    }

References promise(), mImpl, fl::move(), and valid().

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