string_ext 0.1.0

Dart extension methods for String. Provides a more convenient and powerful API for working with strings.

[0.1.0] - 2020-10-16

• Getter isNullOrEmpty - returns true if the string is null or empty.
• Getter isNotNullNorEmpty - returns true if the string is not null and not empty.
• Method firstToUpper() - converts first character in the string to upper case.