isKana method
- String input
Tests if input
consists entirely of kana characters.
The input
String
cannot be null or empty.
isKana('あ'); // true
isKana('ア'); // true
isKana('あーア'); // true
isKana('A'); // false
isKana('あAア'); // false
Implementation
bool isKana(String input) {
assert(input != null);
assert(input.isNotEmpty);
return input.chars.every(_isCharKana);
}