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Rick Waldron (2013-12-23T00:11:36.000Z)
On Sun, Dec 22, 2013 at 6:41 PM, Mark S. Miller <erights at google.com> wrote:

> No, Map and Set will equate -0 and +0.
>

In SpiderMonkey's Set and Map:

  var s = new Set([-0, +0]);
  s.size; // 2

  var m = new Map();
  m.set(-0, 1);
  m.set(+0, 2);

  m.get(-0); // 1
  m.get(+0); // 2



Rick
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domenic at domenicdenicola.com (2014-01-06T13:56:27.973Z)
On Sun, Dec 22, 2013 at 6:41 PM, Mark S. Miller <erights at google.com> wrote:

> No, Map and Set will equate -0 and +0.
>

In SpiderMonkey's Set and Map:

```js
var s = new Set([-0, +0]);
s.size; // 2

var m = new Map();
m.set(-0, 1);
m.set(+0, 2);

m.get(-0); // 1
m.get(+0); // 2
```
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