下面調用重載Enumerable.Select方法: var itemOnlyOneTuples = "test".Select<char, Tuple<char>>(Tuple.Create);
失敗的歧義錯誤(命名空間爲清楚起見移除): The call is ambiguous between the following methods or properties:
'Enumerab
在下面的程序,爲什麼編譯器生成的調用printMax模板函數,而不是調用printMaxInts功能的錯誤? #include <iostream>
template<class A>
void printMax(A a,A b)
{
A c = a>b?a:b;
std::cout<<c;
}
void printMaxInts(int a ,int b)
$ 7.3.3/14(C++ 03) struct A { int x(); };
struct B : A { };
struct C : A {
using A::x;
int x(int);
};
struct D : B, C {
using C::x;
int x(double);
};
int f(D* d) {
retur