Method validate_format

crates/common/src/format.rs:414–438

(&self, default_format_type: FormatType)

    }

    fn validate_format(&self, default_format_type: FormatType) -> Result<(), FormatSpecError> {
        let format_type = self.format_type.as_ref().unwrap_or(&default_format_type);
        match (&self.grouping_option, format_type) {
            (
                Some(FormatGrouping::Comma),
                FormatType::String
                | FormatType::Character
                | FormatType::Binary
                | FormatType::Octal
                | FormatType::Hex(_)
                | FormatType::Number(_),
            ) => {
                let ch = char::from(format_type);
                Err(FormatSpecError::UnspecifiedFormat(',', ch))
            }
            (
                Some(FormatGrouping::Underscore),
                FormatType::String | FormatType::Character | FormatType::Number(_),
            ) => {
                let ch = char::from(format_type);
                Err(FormatSpecError::UnspecifiedFormat('_', ch))
            }
            _ => Ok(()),
        }
    }

    const fn get_separator_interval(&self) -> usize {
        match self.format_type {