Use an unnamed lambda if you need a simple function object in one place only

Reason

That makes the code concise and gives better locality than alternatives.

Example

auto earlyUsersEnd = std::remove_if(users.begin(), users.end(),
                                    [](const User &a) { return a.id > 100; });

Exception

Naming a lambda can be useful for clarity even if it is used only once.

Enforcement

• Look for identical and near identical lambdas (to be replaced with named functions or named lambdas).

F.call: Parameter passing

There are a variety of ways to pass parameters to a function and to return values.