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88ba80bb61
Update container documentation Fix ISSUE_TEMPLATE Fix up documentation for quick and dirty, pulling example source directly from bundled code addresses #578
82 lines
1.8 KiB
C++
82 lines
1.8 KiB
C++
#define SOL_CHECK_ARGUMENTS 1
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#include <sol.hpp>
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#include "assert.hpp"
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#include <iostream>
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void some_function() {
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std::cout << "some function!" << std::endl;
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}
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void some_other_function() {
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std::cout << "some other function!" << std::endl;
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}
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struct some_class {
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int variable = 30;
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double member_function() {
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return 24.5;
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}
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};
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int main(int, char*[]) {
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std::cout << "=== functions (all) example ===" << std::endl;
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sol::state lua;
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lua.open_libraries(sol::lib::base);
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// put an instance of "some_class" into lua
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// (we'll go into more detail about this later
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// just know here that it works and is
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// put into lua as a userdata
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lua.set("sc", some_class());
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// binds a plain function
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lua["f1"] = some_function;
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lua.set_function("f2", &some_other_function);
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// binds just the member function
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lua["m1"] = &some_class::member_function;
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// binds the class to the type
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lua.set_function("m2", &some_class::member_function, some_class{});
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// binds just the member variable as a function
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lua["v1"] = &some_class::variable;
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// binds class with member variable as function
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lua.set_function("v2", &some_class::variable, some_class{});
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lua.script(R"(
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f1() -- some function!
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f2() -- some other function!
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-- need class instance if you don't bind it with the function
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print(m1(sc)) -- 24.5
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-- does not need class instance: was bound to lua with one
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print(m2()) -- 24.5
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-- need class instance if you
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-- don't bind it with the function
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print(v1(sc)) -- 30
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-- does not need class instance:
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-- it was bound with one
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print(v2()) -- 30
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-- can set, still
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-- requires instance
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v1(sc, 212)
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-- can set, does not need
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-- class instance: was bound with one
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v2(254)
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print(v1(sc)) -- 212
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print(v2()) -- 254
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)");
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std::cout << std::endl;
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return 0;
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}
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