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mention protected function [ci skip]

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ThePhD 2016-04-24 22:45:52 -04:00
parent 2531f2f851
commit c95f67afff
1 changed files with 10 additions and 13 deletions
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23
docs/source/tutorial/all-the-things.rst
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@ -153,20 +153,12 @@ tables
sol::table ghi = lua["def"]["ghi"];
int bark1 = def["ghi"]["bark"];
// bark1 == 50
int bark2 = lua["def"]["ghi"]["bark"];
// bark2 == 50
// bark1 == bark2 == 50
bool bark_equal = bark1 == bark2;
// true
int abcval1 = abc[0];
// abcval2 == 24
int abcval2 = ghi["woof"][0];
// abcval2 == 24
bool abcval_equal = abcval1 == abcval2;
// true
// abcval1 == abcval2 == 24
If you're going deep, be safe:
@ -229,7 +221,7 @@ They're great. Use them:
sol::state lua;
lua.script("function f (a, b, c, d) return 1 end");
lua.script("function g (a, b) a + b end");
lua.script("function g (a, b) return a + b end");
// fixed signature std::function<...>
std::function<int(int, double, int, std::string)> stdfx = lua["f"];
@ -246,6 +238,8 @@ They're great. Use them:
double is_4_8 = lua["g"](2.4, 2.4);
// is_4_8 == 4.8
If you need to protect against errors and parser problems and you're not ready to deal with Lua's `longjmp` problems (if you compiled with C), use :doc:`sol::protected_function<../api/protected_function>`.
You can bind member variables as functions too:
.. code-block:: cpp
@ -388,8 +382,11 @@ Is set as a :doc:`userdata + usertype<../api/usertype>`.
lua["dog"] = std::make_unique<Doge>();
lua["dog"] = std::make_shared<Doge>();
// Identical to above
lua.set("dog", dog);
lua.set("dog", std::move(dog));
Doge dog2{};
lua.set("dog", dog2);
lua.set("dog", std::move(dog2));
lua.set("dog", Doge{});
lua.set("dog", std::unique_ptr<Doge>(new Doge()));
lua.set("dog", std::shared_ptr<Doge>(new Doge()));