How to create a default value for one struct key value of serde conversion #[derive(Debug, Deserialize, Serialize)] struct Data { 3 implementations server: String, db: String, table: String, #[serde(default)] operator: Operator, ids: HashMap<String, String>, values: HashMap<String, String>, } #[derive(Deserialize, Debug, Serialize)] struct Operator(String); 4 implementations impl Default for Operator { fn default() -> Self { Operator("".to_string()) } }

https://serde.rs/attr-default.html

#[derive(Debug, Deserialize, Serialize)] struct Data { 3 implementations server: String, db: String, table: String, #[serde(default = "default_resource")] operator: String, ids: HashMap<String, String>, values: HashMap<String, String>, } fn default_resource() -> String { "".to_string() } 10.05.23

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