warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]

[Arniiiii]

/home/paxu/.cache/cpm/constexpr-to-string/a02450f1d117a38eb1c44b0c085769cb83df80d2/include/constexpr-to-string/to_string.hpp|61 col 15| warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]
||    61 |     constexpr const auto data() const noexcept { return buf; }
||       |               ^~~~~
/home/paxu/.cache/cpm/constexpr-to-string/a02450f1d117a38eb1c44b0c085769cb83df80d2/include/constexpr-to-string/to_string.hpp|71 col 15| warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]
||    71 |     constexpr const auto begin() const noexcept { return buf; }
||       |               ^~~~~
/home/paxu/.cache/cpm/constexpr-to-string/a02450f1d117a38eb1c44b0c085769cb83df80d2/include/constexpr-to-string/to_string.hpp|73 col 15| warning: 'const' type qualifier on return type has no effect [-Wignored-qualifiers]
||    73 |     constexpr const auto end() const noexcept { return buf + size(); }
||       |               ^~~~~
|| 3 warnings generated.

https://stackoverflow.com/questions/60212414/why-does-the-const-qualifier-on-return-type-have-no-effect-on-functions-that-a