readability-redundant-member-init

Finds member initializations that are unnecessary because the same default constructor would be called if they were not present.

Example

// Explicitly initializing the member s is unnecessary.
class Foo {
public:
  Foo() : s() {}

private:
  std::string s;
};

Options

IgnoreBaseInCopyConstructors

Default is false.

When true, the check will ignore unnecessary base class initializations within copy constructors, since some compilers issue warnings/errors when base classes are not explicitly intialized in copy constructors. For example, gcc with -Wextra or -Werror=extra issues warning or error base class 'Bar' should be explicitly initialized in the copy constructor if Bar() were removed in the following example:

// Explicitly initializing member s and base class Bar is unnecessary.
struct Foo : public Bar {
  // Remove s() below. If IgnoreBaseInCopyConstructors!=0, keep Bar().
  Foo(const Foo& foo) : Bar(), s() {}
  std::string s;
};