. NET generic

Source: Internet
Author: User

    Generic
  GenericList<T>{     Add(T input) { }} TestGenericList{      ExampleClass { }      Main()    {        GenericList<> list1 =  GenericList<>();        GenericList<> list2 =  GenericList<>();        GenericList<ExampleClass> list3 =  GenericList<ExampleClass>();    }}
  • Generic parameters
  • Generic Default Value Type
    Non-generic set
    Common classes
    Common interfaces
    Performance problems
    Type security questions
    Custom generic Method
  Swap<T>( T lhs,  T rhs){    T temp;    temp = lhs;    lhs = rhs;    rhs = temp;}
  • Custom generic classes and structures
 BaseNode { }
 BaseNodeGeneric<T> { }
 NodeConcrete<T> : BaseNode { }
 NodeClosed<T> : BaseNodeGeneric<> { }
 NodeOpen<T> : BaseNodeGeneric<T> { }
  • Generic base class
  • Type parameter Constraints
 EmployeeList<T>  T : Employee, IEmployee, System.IComparable<T>, () {}
  • Type parameter constraint table
The constraint must be specified at the end.

  • Unbound type parameter

  • Bare type constraints
 List<T>{     Add<U>(List<U> items)  U : T {}}
  SampleClass<T, U, V>  T : V { }
 

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