Hey Ayush, That's an interesting language feature I hadn't heard of before.
Any reason your use case couldn't be covered by a try/catch in the synchronous case, and a promise.finally() in the async case? Ben Le jeu. 20 sept. 2018 05 h 21, Ayush Gupta <[email protected]> a écrit : > Hi, > > I would like to propose a `defer` keyword(or something else as the > keyword name) which would allow us to "defer" a function which will be > executed once the current function either returns or throws. > > The idea for this is taken from the Go programming language. > > It would allow us to perform cleanup activities in a function which has > multiple branches in a single place. > > For example, a sample server side code can look like: > > ``` js > function doSomeDbWork() { > const connection = databasepool.getConnection(); > defer function () { connection.release(); } // function would be > called no matter when/if the function returns or throws > // do your work > } > ``` > > Regards > Ayush Gupta > > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
_______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
