Common Practices and Code Improvements

'contains' member function can be used: 'contains' member function can be used.
'if' can be replaced by 'if consteval': 'if' can be replaced by 'if consteval'.
'std::erase'/'std::erase_if' can be used instead of the remove-erase idiom: 'std::erase'/'std::erase_if' can be used instead of the remove-erase idiom.
'std::is_constant_evaluated' will always evaluate to constant: 'std::is_constant_evaluated' will always evaluate to constant.
Algorithm accepting an iterator and a count can be used: Algorithm accepting an iterator and a count can be used.
Algorithm operating on ranges can be used: Algorithm operating on ranges can be used.
C-style cast is used instead of a C++ cast: C-style cast is used instead of a C++ cast.
Class can be made final: Class can be made final.
Compile-time constant expression can be replaced with either 'true' or 'false': Compile-time constant expression can be replaced with either 'true' or 'false'.
consteval if is always constant: consteval if is always constant.
Constructor of smart pointer is used instead of its make function: Constructor of smart pointer is used instead of its make function.
Declaration and assignment can be joined: Declaration and assignment can be joined.
For-loop can be replaced with while-loop: For-loop can be replaced with while-loop.
Function returns by const value: Function returns by const value.
Functional-style cast is used instead of a C++ cast: Functional-style cast is used instead of a C++ cast.
If statement with constant condition can be replaced with 'if constexpr': If statement with constant condition can be replaced with 'if constexpr'.
Lambda can be rewritten to use explicit template parameters: Lambda can be rewritten to use explicit template parameters.
Local variable can be made const: Local variable can be made const.
Member function can be made const: Member function can be made const.
Member function can be made static: Member function can be made static.
Namespace definition containing single class specialization: Namespace definition containing single class specialization.
Non-explicit conversion operator: Non-explicit conversion operator.
Non-explicit converting constructor: Non-explicit converting constructor.
Parameter can be made const: Parameter can be made const.
Parameter can be made pointer/reference to const: Parameter can be made pointer/reference to const.
Pass value parameters by const reference: Pass value parameters by const reference.
reinterpret_cast is used instead of static_cast: reinterpret_cast is used instead of static_cast.
Result of a postfix operator is discarded: Result of a postfix operator is discarded.
std::size can be used: std::size can be used.
std::views::keys/values can be used: std::views::keys/values can be used.
Structured bindings can be used: Structured bindings can be used.
Structured bindings can be used instead of tie(..): Structured bindings can be used instead of tie(..).
Throw expression can be replaced with a rethrow expression: Throw expression can be replaced with a rethrow expression.
Type trait can be simplified using a template alias or a variable template: Type trait can be simplified using a template alias or a variable template.
Variable can be made constexpr: Variable can be made constexpr.
Variable can be moved to init statement: Variable can be moved to init statement.
Variable can be moved to inner scope: Variable can be moved to inner scope.
Zero constant can be replaced with nullptr: Zero constant can be replaced with nullptr.
Zero initialization can be used instead of memset: Zero initialization can be used instead of memset.

Last modified: 02 March 2026