Function decode_price 

pub fn decode_price(
    value: i64,
    precision: u8,
    field_name: &str,
) -> Result<Price>

Decodes a price, returning an error if undefined.

Databento uses i64::MAX as a sentinel value for unset/null prices (see UNDEF_PRICE).

Errors

Returns an error if value is i64::MAX (undefined).