fruit

Dependency injection framework for C++ with compile-time wiring

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Dependency injection framework for C++

set up dependency injection in a C++ project$ brew install fruit && clang++ -std=c++11 -I$(brew --prefix fruit)/include your_code.cpp

inject dependencies automatically at compile time

$ #include <fruit/fruit.h>
fruit::Component<MyService> getComponent() { return fruit::createComponent(); }

bind interfaces to implementations for dependency injection

$ fruit::Component<fruit::Required<Logger>> getComponent() {
  return fruit::createComponent()
    .bind<Logger, ConsoleLogger>();
}

inject constructor dependencies without manual factory code

$ class UserService {
public:
  INJECT(UserService(Database* db, Logger* log)) : db(db), log(log) {}
};

resolve object graph dependencies at runtime

$ fruit::Injector<MyComponent> injector = fruit::createInjector<MyComponent>();
auto service = injector.get<MyService*>();