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- class Singleton {
- static final Singleton _singleton = Singleton._internal();
- factory Singleton() {
- return _singleton;
- }
- Singleton._internal();
- }
- main() {
- var s1 = Singleton();
- var s2 = Singleton();
- print(identical(s1, s2)); // true
- print(s1 == s2); // true
- }
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