49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
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#include <assert.h>
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#include <iostream>
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#include <string>
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#include <vector>
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using namespace std;
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int32_t getInt() {
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return INT32_MAX;
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}
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int64_t getInt64() {
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return INT64_MAX;
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}
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void getStr(string& str) {
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str = "abc";
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}
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void getVInt(vector<int>& vint) {
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vint = {1, 2, 3};
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}
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void getVStr(vector<string>& vstr) {
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vstr = {"abc", "def"};
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}
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template <typename T>
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T getVal() {
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T val;
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T& rVal = val;
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if (typeid(T) == typeid(int)) {
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(int&)rVal = getInt();
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} else if (typeid(T) == typeid(int64_t)) {
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(int64_t&)rVal = getInt64();
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} else if (typeid(T) == typeid(string)) {
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getStr((string&)rVal);
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} else if (typeid(T) == typeid(vector<int>)) {
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getVInt((vector<int>&)rVal);
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} else if (typeid(T) == typeid(vector<string>)) {
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getVStr((vector<string>&)rVal);
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}
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return val;
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}
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int main() {
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assert(getVal<int32_t>() == INT32_MAX);
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assert(getVal<int64_t>() == INT64_MAX);
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assert(getVal<string>() == "abc");
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assert(getVal<vector<int>>() == vector<int>({1, 2, 3}));
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assert(getVal<vector<string>>() == vector<string>({"abc", "def"}));
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}
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