readability-redundant-string-init

Finds unnecessary string initializations.

Examples

// Initializing string with empty string literal is unnecessary.
std::string a = "";
std::string b("");

// becomes

std::string a;
std::string b;

// Initializing a string_view with an empty string literal produces an
// instance that compares equal to string_view().
std::string_view a = "";
std::string_view b("");

// becomes
std::string_view a;
std::string_view b;

Options

StringNames

Semicolon-delimited list of class names to apply this check to. By default ::std::basic_string applies to std::string and std::wstring. Set to e.g. ::std::basic_string;llvm::StringRef;QString to perform this check on custom classes. Default is ::std::basic_string;::std::basic_string_view.