Can you not just use .bind here?
```
spawn(function* () {
let data = yield this.fetchData();
}.bind(this));
```
On Mon, Mar 30, 2015 at 11:38 PM, Niloy Mondal <[email protected]>
wrote:
> I wrote some code like the following in tracuer
>
> ```
> class Foo {
> constructor() {
> spawn(function*() {
> let data = yield this.fetchData(); // error because 'this' is
> undefined
> });
> }
>
> fetchData() {
> // returns promise
> }
> }
> ```
>
> I used the spawn function from here:
> https://gist.github.com/jakearchibald/31b89cba627924972ad6
>
> The code doesn't work because 'this' is undefined. I can fix it by using
> 'let that = this' pattern. But it feels like a step backward now that I've
> fallen in love with lambda functions. So I was wondering if it would be
> possible to use lexical binding for 'this' inside anonymous generators.
>
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>
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