Ilya Gorbunov cd0906a357 Improve isNullOrEmpty() extensions ...

- Annotate with SinceKotlin("1.3") and InlineOnly
- Add contract linking the receiver and the returned value
- Unify wording in docs
- Add sample for Map.isNullOrEmpty

#KT-23279

2018-08-30 14:51:02 +03:00

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samples

Improve isNullOrEmpty() extensions

2018-08-30 14:51:02 +03:00