Posts by rflobao • 101 points

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  A: Reference return with possibility of invalid object

  I can think of these two simple solutions. template<typename K, typename V> V *find(K key) { ... } int *v = find(key); if(v) ... Or template<typename K, typename V> bool find(K key, V…

  c++

  answered 8 years, 2 months ago rflobao 101