Implement the std::fmt's formatting functions before implementing std::fmt::Display #6.
Because the std::fmt's formatting functions and std::fmt::Display are related to each other and I think the std::fmt's formatting functions are more important than std::fmt::Display.
Implement the
std::fmt's formatting functions before implementingstd::fmt::Display#6.Because the
std::fmt's formatting functions andstd::fmt::Displayare related to each other and I think thestd::fmt's formatting functions are more important thanstd::fmt::Display.