Function optional_string_array

rust/crates/runtime/src/config.rs:853–879

(
    object: &BTreeMap<String, JsonValue>,
    key: &str,
    context: &str,
)

}

fn optional_string_array(
    object: &BTreeMap<String, JsonValue>,
    key: &str,
    context: &str,
) -> Result<Option<Vec<String>>, ConfigError> {
    match object.get(key) {
        Some(value) => {
            let Some(array) = value.as_array() else {
                return Err(ConfigError::Parse(format!(
                    "{context}: field {key} must be an array"
                )));
            };
            array
                .iter()
                .map(|item| {
                    item.as_str().map(ToOwned::to_owned).ok_or_else(|| {
                        ConfigError::Parse(format!(
                            "{context}: field {key} must contain only strings"
                        ))
                    })
                })
                .collect::<Result<Vec<_>, _>>()
                .map(Some)
        }
        None => Ok(None),
    }
}

fn optional_string_map(
    object: &BTreeMap<String, JsonValue>,