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C++ Quiz #121

When the Compiler Cannot Deduce T

mediumTemplates

T appears only in the return type of zero, and the function takes no arguments. Which call compiles?

📄 Code

1#include <iostream>
2 
3template <typename T>
4T zero() {
5    return T{};
6}
7 
8int main() {
9    double d = zero<double>();
10    std::cout << d << "\n";
11    return 0;
12}