Method fill_string

crates/common/src/cformat.rs:325–353

(
        &self,
        string: T,
        fill_char: T::Char,
        num_prefix_chars: Option<usize>,
    )

    }

    fn fill_string<T: FormatBuf>(
        &self,
        string: T,
        fill_char: T::Char,
        num_prefix_chars: Option<usize>,
    ) -> T {
        let mut num_chars = string.chars().count();
        if let Some(num_prefix_chars) = num_prefix_chars {
            num_chars += num_prefix_chars;
        }
        let num_chars = num_chars;

        let width = match &self.min_field_width {
            Some(CFormatQuantity::Amount(width)) => cmp::max(width, &num_chars),
            _ => &num_chars,
        };
        let fill_chars_needed = width.saturating_sub(num_chars);
        let fill_string: T = Self::compute_fill_string(fill_char, fill_chars_needed);

        if !fill_string.is_empty() {
            if self.flags.contains(CConversionFlags::LEFT_ADJUST) {
                string.concat(fill_string)
            } else {
                fill_string.concat(string)
            }
        } else {
            string
        }
    }

    fn fill_string_with_precision<T: FormatBuf>(&self, string: T, fill_char: T::Char) -> T {
        let num_chars = string.chars().count();