isKanji method
- String input
Tests if input
consists entirely of kanji characters.
The input
String
cannot be null or empty.
isKanji('刀'); // true
isKanji('切腹'); // true
isKanji('勢い'); // false
isKanji('あAア'); // false
isKanji('🐸'); // false
Implementation
bool isKanji(String input) {
assert(input != null);
assert(input.isNotEmpty);
return input.chars.every(_isCharKanji);
}