Extra Clang Tools 5 documentation

clang-tidy - modernize-use-equals-default

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modernize-use-equals-default

This check replaces default bodies of special member functions with = default;. The explicitly defaulted function declarations enable more opportunities in optimization, because the compiler might treat explicitly defaulted functions as trivial.

struct A {
  A() {}
  ~A();
};
A::~A() {}

// becomes

struct A {
  A() = default;
  ~A();
};
A::~A() = default;

Note

Move-constructor and move-assignment operator are not supported yet.

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