[Feature]: <Ignore struct fields with Option::None as value when encoding>

[miralandlabs]

Is there an existing issue for this?

• I have searched the existing issues

Description

Can ciborium provide a switch to tell cbor to encode a struct field or completely ignore the field when a field value is Option::None which is encoded as null by default? Thanks.

Acceptance Criteria

No response

Suggestions for a technical implementation

No response

[hoxxep]

@miralandlabs, I'm fairly sure you're looking for serde's skip_serializing_if. Hope that helps/closes your issue!

#[derive(serde::Serialize)]
struct Example {
    a: u64,
    #[serde(skip_serializing_if = "Option::is_none")]
    b: Option<u64>,
}