pub fn deserialize_opt_hex_u256<'de, D>(
deserializer: D,
) -> Result<Option<U256>, D::Error>where
D: Deserializer<'de>,
Expand description
Custom deserializer that converts an optional hexadecimal string into an Option<U256>
.
A None
result indicates the field was absent or explicitly null
.
§Errors
Returns a serde::de::Error
if the string is not valid hex or cannot be parsed into U256
.