How would this affect ASI?
a // no semicolon inserted since '+' is an infix operator
+b
a // semicolon inserted since '!' is not an infix operator
!b
but what about
function '!'(a, b) { ... }
// now '!' is both an infix and a prefix operator
a // is a semicolon inserted?
!b
On Fri, Feb 2, 2018 at 6:55 AM, Thomas Grainger <[email protected]> wrote:
> I'm porting this from the TypeScript issue tracker, original from:
> https://github.com/Microsoft/TypeScript/issues/2319#issue-60851953
>
> Since it's very unlikely that the extension methods will ever be
> implemented [in a call-site-rewrite
> manner](https://github.com/Microsoft/TypeScript/issues/9#iss
> uecomment-74302592),
> please consider adding infix operators to enable writing in functional
> style similarly to what can be done in Haskell:
>
> Monoids
>
> ```js
>
> function '+' (left, right) {
> return left.concat(right);
> }
>
> [1, 2, 3] '+' [4, 5]; // [1, 2, 3, 4, 5]
>
> ```
>
> Monads
>
> ```js
> function '>>=' (promise, bind) {
> return promise.then(bind);
> }
> $.get('/get') '>>=' x => $.post('/save', x + 1)
> ```
>
> Functors
>
> ```js
> function '.' (inner, outer) {
> return function(value: a) : c {
> return outer(inner(value))
> }
> }
>
> function f(x) { }
> function g(y) { }
> (f '.' g)(x); // z
> ```
>
>
>
> Thomas Grainger
>
> _______________________________________________
> es-discuss mailing list
> [email protected]
> https://mail.mozilla.org/listinfo/es-discuss
>
>
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