BewareMyPower commented on code in PR #15928:
URL: https://github.com/apache/pulsar/pull/15928#discussion_r889708710
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pulsar-client-cpp/lib/auth/AuthOauth2.cc:
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@@ -143,6 +143,18 @@ ClientCredentialFlow::ClientCredentialFlow(ParamMap&
params)
audience_(params["audience"]),
scope_(params["scope"]) {}
+const std::string ClientCredentialFlow::getWellKnownOpenIdConfigurationUrl() {
Review Comment:
BTW, usually, we should mark all methods that don't change the internal
state as `const`. For example,
```c++
struct A {
int x;
int getX() {
x++; // a getter should not modify the internal state, but the
compilation can pass
return x;
}
};
```
In this case, you should make `getX` a `const` method like:
```c++
int getX() const {
// x++; // Compilation error! Because it changes the value of the
field of A
return 2;
}
```
The const qualifier makes your code clear (because we can know which methods
don't change the state) and prevent unexpected changes (for example, modifying
the state in a getter).
See https://google.github.io/styleguide/cppguide.html#Use_of_const
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