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Add is.directInstanceOf() (#38)

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Brandon Smith 2017-12-09 11:55:08 -05:00 • committed by GitHub
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@ -136,6 +136,20 @@ is.boundFunction(function () {});
#### Miscellaneous
##### .directInstanceOf(value, class)
Returns `true` if `value` is a direct instance of `class`.
```js
is.directInstanceOf(new Error(), Error);
//=> true
class UnicornError extends Error {};
is.directInstanceOf(new UnicornError(), Error);
//=> false
```
##### .truthy(value)
Returns `true` for all values that evaluate to true in a boolean context: