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fix example assert

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ThePhD 2016-10-05 21:26:06 -04:00
parent e0e376a370
commit 1be01b716b
1 changed files with 5 additions and 1 deletions
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6
examples/usertype_var.cpp
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@ -32,10 +32,14 @@ int main() {
// number is its own memory: was passed by value // number is its own memory: was passed by value
// So does not change // So does not change
assert(lua["test"]["ref_number"] == 25); assert(lua["test"]["ref_number"] == 542);
// ref_number is just test::number // ref_number is just test::number
// passed through std::ref // passed through std::ref
// so, it holds a reference // so, it holds a reference
// which can be updated
// be careful about referencing local variables,
// if they go out of scope but are still reference
// you'll suffer dangling reference bugs!
return 0; return 0;
} }