54 lines
994 B
C++
54 lines
994 B
C++
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#define SOL_ALL_SAFETIES_ON 1
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#include <sol/sol.hpp>
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int main() {
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const auto& code = R"(
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bark = {
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woof = {
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[2] = "arf!"
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}
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}
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)";
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sol::state lua;
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lua.open_libraries(sol::lib::base);
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lua.script(code);
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// produces table_proxy, implicitly converts to std::string,
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// quietly destroys table_proxy
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std::string arf_string = lua["bark"]["woof"][2];
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// lazy-evaluation of tables
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auto x = lua["bark"];
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auto y = x["woof"];
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auto z = y[2];
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// retrivies value inside of lua table above
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std::string value = z;
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SOL_ASSERT(value == "arf!");
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// Can change the value later...
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z = 20;
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// Yay, lazy-evaluation!
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int changed_value = z; // now it's 20!
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SOL_ASSERT(changed_value == 20);
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lua.script("assert(bark.woof[2] == 20)");
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lua["a_new_value"] = 24;
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lua["chase_tail"] = [](int chasing) {
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int r = 2;
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for (int i = 0; i < chasing; ++i) {
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r *= r;
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}
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return r;
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};
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lua.script("assert(a_new_value == 24)");
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lua.script("assert(chase_tail(2) == 16)");
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return 0;
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}
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