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Add is.truthy() and is.falsy() (#25)

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Brandon Smith 2017-10-20 14:49:52 +00:00 • committed by Giora Guttsait
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commit dfcdfc3a83
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readme.md
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@ -121,6 +121,22 @@ is.asyncFunction(() => {});
#### Miscellaneous
##### .truthy(value)
Returns `true` for all values that evaluate to true in a boolean context:
```js
is.truthy('🦄');
//=> true
is.truthy(undefined);
//=> false
```
##### .falsy(value)
Returns `true` if `value` is one of: `false`, `0`, `''`, `null`, `undefined`, `NaN`.
##### .nan(value)
##### .nullOrUndefined(value)
##### .primitive(value)