Method is_upper

datafusion/spark/src/function/string/format_string.rs:711–724

(&self)

    }

    fn is_upper(&self) -> bool {
        matches!(
            self,
            ConversionType::BooleanUpper
                | ConversionType::HexHashUpper
                | ConversionType::HexIntUpper
                | ConversionType::SciFloatUpper
                | ConversionType::CompactFloatUpper
                | ConversionType::HexFloatUpper
                | ConversionType::TimeUpper(_)
                | ConversionType::CharUpper
                | ConversionType::StringUpper
        )
    }
}

fn take_conversion_specifier<'a>(