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Boaz Brickner
88dac35ae8
Call `Sema::AddMemberOperatorCandidates()` to properly add candidates.
For C++ member operator calls, use the first arg as self.
C++ Interop Demo:
```c++
// my_number.h
class MyNumber {
public:
explicit MyNumber(int value) : value_(value) {}
int value() const { return value_; }
auto operator++() -> MyNumber;
private:
int value_;
};
```
```c++
// my_number.cpp
#include "my_number.h"
auto MyNumber::operator++() -> MyNumber {
++value_;
return *this;;
}
```
```carbon
// main.carbon
library "Main";
import Core library "io";
import Cpp library "my_number.h";
fn Run() -> i32 {
var num: Cpp.MyNumber = Cpp.MyNumber.MyNumber(14);
Core.Print(num.value());
++num;
Core.Print(num.value());
return 0;
}
```
```shell
$ clang -c my_number.cpp
$ bazel-bin/toolchain/carbon compile main.carbon
$ bazel-bin/toolchain/carbon link my_number.o main.o --output=demo
$ ./demo
14
15
```
Part of https://github.com/carbon-language/carbon-lang/issues/5995.