fn fmt()

in parquet/src/record/api.rs [731:799]
69 lines of code
9 McCabe index (conditional complexity)

    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        match *self {
            Field::Null => write!(f, "null"),
            Field::Bool(value) => write!(f, "{value}"),
            Field::Byte(value) => write!(f, "{value}"),
            Field::Short(value) => write!(f, "{value}"),
            Field::Int(value) => write!(f, "{value}"),
            Field::Long(value) => write!(f, "{value}"),
            Field::UByte(value) => write!(f, "{value}"),
            Field::UShort(value) => write!(f, "{value}"),
            Field::UInt(value) => write!(f, "{value}"),
            Field::ULong(value) => write!(f, "{value}"),
            Field::Float(value) => {
                if !(1e-15..=1e19).contains(&value) {
                    write!(f, "{value:E}")
                } else if value.trunc() == value {
                    write!(f, "{value}.0")
                } else {
                    write!(f, "{value}")
                }
            }
            Field::Double(value) => {
                if !(1e-15..=1e19).contains(&value) {
                    write!(f, "{value:E}")
                } else if value.trunc() == value {
                    write!(f, "{value}.0")
                } else {
                    write!(f, "{value}")
                }
            }
            Field::Decimal(ref value) => {
                write!(f, "{}", convert_decimal_to_string(value))
            }
            Field::Str(ref value) => write!(f, "\"{value}\""),
            Field::Bytes(ref value) => write!(f, "{:?}", value.data()),
            Field::Date(value) => write!(f, "{}", convert_date_to_string(value)),
            Field::TimestampMillis(value) => {
                write!(f, "{}", convert_timestamp_millis_to_string(value))
            }
            Field::TimestampMicros(value) => {
                write!(f, "{}", convert_timestamp_micros_to_string(value))
            }
            Field::Group(ref fields) => write!(f, "{fields}"),
            Field::ListInternal(ref list) => {
                let elems = &list.elements;
                write!(f, "[")?;
                for (i, field) in elems.iter().enumerate() {
                    field.fmt(f)?;
                    if i < elems.len() - 1 {
                        write!(f, ", ")?;
                    }
                }
                write!(f, "]")
            }
            Field::MapInternal(ref map) => {
                let entries = &map.entries;
                write!(f, "{{")?;
                for (i, (key, value)) in entries.iter().enumerate() {
                    key.fmt(f)?;
                    write!(f, " -> ")?;
                    value.fmt(f)?;
                    if i < entries.len() - 1 {
                        write!(f, ", ")?;
                    }
                }
                write!(f, "}}")
            }
        }
    }