warning: all parameters should be named in a function [readability-named-parameter]

```suggestion
    [[nodiscard]] size_t writeText(std::string_view chars, size_t /*unused*/)
```

warning: variable name 'c' is too short, expected at least 3 characters [readability-identifier-length]
```cpp
        for (auto c: chars)
                  ^
```

warning: statement should be inside braces [readability-braces-around-statements]

```suggestion
        for (auto c: chars) {
            targetScreen.writeText(c);
}
```