Fields
- formatter: Formatter
- width: := -1
- trailing_width: := -1
- zero_removal: := Zero_Removal.YES
- mode: := Mode.DECIMAL
- thousand_separators: := false
- thousand_separator_character: u8
- decimal_separator_character: u8
- exponent_character: u8
- positive_number_prefix: := Positive_Number_Prefix.NONE