toSortedString method
Returns a string expression.
Implementation
String toSortedString() {
if (a.rank.power > b.rank.power) {
return '$a$b';
}
if (a.rank.power < b.rank.power) {
return '$b$a';
}
if (b.suit.index < a.suit.index) {
return '$b$a';
}
return '$a$b';
}