stringx 1.0.0-nullsafety.0

string/list/int extension methods plugin.

1.0.0-nullsafety.0

• support null safety sound.

0.0.6

• support null safety sound.

0.0.5

• add ListX listSize/listEmpty/listNotEmpty/copyList method.

0.0.4

• add IntX.tryParse static method.

0.0.3+1

• add List mapWithIndex extension method.

0.0.2

• change README.md

0.0.1

• String extension methods plugin.