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nyohoho unused variables

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ThePhD 2019-07-04 14:09:37 -04:00
parent 019cccf15e
commit 367edd1a87
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1 changed files with 14 additions and 0 deletions
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14
examples/source/tutorials/erase_demo.cpp
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@ -1,16 +1,30 @@
#define SOL_ALL_SAFETIES_ON 1 #define SOL_ALL_SAFETIES_ON 1
#include <sol/sol.hpp> #include <sol/sol.hpp>
#include <iostream>
int main() { int main() {
sol::state lua; sol::state lua;
lua["bark"] = 50; lua["bark"] = 50;
sol::optional<int> x = lua["bark"]; sol::optional<int> x = lua["bark"];
// x will have a value // x will have a value
if (x) {
return -1;
}
else {
std::cout << "x has no value, as expected" << std::endl;
}
lua["bark"] = sol::lua_nil; lua["bark"] = sol::lua_nil;
sol::optional<int> y = lua["bark"]; sol::optional<int> y = lua["bark"];
// y will not have a value // y will not have a value
if (x) {
return -1;
}
else {
std::cout << "y has no value, as expected" << std::endl;
}
return 0; return 0;
} }