const ɁɁɁ = () => { throw new Error('Method not defined'); }; Thomas Grainger
On 26 March 2018 at 06:26, Isiah Meadows <isiahmead...@gmail.com> wrote: > Even in TypeScript, `never` (the type of functions that never return - > throwing ≠ returning) is the subtype of *all* types, even primitives. > ----- > > Isiah Meadows > m...@isiahmeadows.com > > Looking for web consulting? Or a new website? > Send me an email and we can get started. > www.isiahmeadows.com > > > On Sun, Mar 25, 2018 at 7:45 PM, dante federici > <c.dante.feder...@gmail.com> wrote: > > Not a bad idea -- I agree that it really belongs here, but its value is > much > > higher in something like TypeScript, where you can keep the typing > signature > > but have a missing implementation. > > > > > > On Sat, Mar 24, 2018 at 3:32 AM Isiah Meadows <isiahmead...@gmail.com> > > wrote: > >> > >> I would suggest, if you have support in your editor, just making a > >> `???` snippet expand to `throw new Error("unimplemented")`. I've been > >> doing similar (mod the snippet) for a while, and it's worked pretty > >> well. > >> ----- > >> > >> Isiah Meadows > >> m...@isiahmeadows.com > >> > >> Looking for web consulting? Or a new website? > >> Send me an email and we can get started. > >> www.isiahmeadows.com > >> > >> > >> On Fri, Mar 23, 2018 at 11:16 AM, dante federici > >> <c.dante.feder...@gmail.com> wrote: > >> > Simple example (ts): > >> > ```typescript > >> > interface SearchFunc { > >> > (source: string, subString: string): boolean; > >> > } > >> > > >> > // Later > >> > let mySearch: SearchFunc; > >> > mySearch = function(source: string, subString: string) { ??? } > >> > ``` > >> > > >> > Simple example (js): > >> > ```js > >> > class MyClass = { > >> > foo() { return "foo"; } > >> > bar() { return "bar"; } > >> > } > >> > class ExtendClass extends MyClass { > >> > foo(){ ??? } > >> > bar(){ return `extended bar`; } > >> > } > >> > > >> > // Elsewhere > >> > myRunner = (classInstance) => `${classInstance.foo()} :: > >> > ${classInstance.bar()}`; > >> > > >> > myRunner(myClassInstance); > >> > myRunner(extendedClassInstance); > >> > ``` > >> > > >> > Decorations would be good for classes, but don't work for regular > >> > methods. > >> > > >> > I'm not sold we need new syntax for this -- I just find myself > reaching > >> > for > >> > the `???` symbol. Especially in a typed language or in any instance > that > >> > we > >> > have a class and extended paradigm, or when you have a prescribed > >> > "object" > >> > shape. > >> > > >> > _______________________________________________ > >> > es-discuss mailing list > >> > es-discuss@mozilla.org > >> > https://mail.mozilla.org/listinfo/es-discuss > >> > > > > > > > _______________________________________________ > > es-discuss mailing list > > es-discuss@mozilla.org > > https://mail.mozilla.org/listinfo/es-discuss > > > _______________________________________________ > es-discuss mailing list > es-discuss@mozilla.org > https://mail.mozilla.org/listinfo/es-discuss >
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