Any reason template string with empty interpolation placeholder (`${}`) throws?

[Allen Wirfs-Brock]

(oops, sent from wrong account) 

> On Oct 22, 2015, at 4:55 PM, Mark Miller <erights at gmail.com <mailto:erights at gmail.com>> wrote:
> 
> 
> 
> On Thu, Oct 22, 2015 at 7:20 PM, Caitlin Potter <caitpotter88 at gmail.com <mailto:caitpotter88 at gmail.com>> wrote:
> Cute, but nobody is realistically going to do that.
> 
> Since `${}` is a static error, what do you realistically think people will do? Especially if they meant `${''}`, how do you expect them to react to the static error?

Just like they do if they have a line of code that reads:

```js
str = ;
```

when they meant

```js
str = ‘’;
```

It’s just a syntax error.  I probably have syntax errors in 50% of the lines that I initially type.  I parse, and then fix.

Allen

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