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/* Michal 'GiM' Spadlinski */ import tango.io.Stdout; T Singleton(T)() { static T singletonInstance; if (singletonInstance is null) { synchronized (T.classinfo) { if (singletonInstance is null) { singletonInstance = new T; static if (is (typeof (singletonInstance.initialize))) { singletonInstance.initialize(); } } } } return singletonInstance; } class Klasa { int opIndex(char[] ind) { Stdout ("oh hai! : ", ind).newline; return 666; } int opIndexAssign(int val, char[] ind) { Stdout ("oh hai! : ") (ind) (" = ") (val).newline; return 0; } } alias Singleton!(Klasa) klasa; void main() { auto temp = klasa["blah"]; Stdout ("in main: ") (temp).newline; klasa["blah"] = temp; //klasa()["blah"] = temp; }
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